Komatsu PC240LC-10 Installationsanleitung

Andere Handbücher für PC240LC-10

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HYDRAULIC

EXCAVATOR

SEN05538-05

PC240LC-10

SERIAL NUMBERS

90001

and up

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SHOP MANUAL

HYDRAULIC EXCAVATOR

PC240LC–10

Model

PC240LC–10

Serial Number

90001 and up

00 Index and foreword

1 00 Index and foreword

PC240LC–10 00-1

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00 Index and foreword

Index

(ALL-0310-001-A-00-A)

00 Index and foreword .......................................................................................................................00-1

Index .........................................................................................................................................00-2

Foreword, safety and general information ................................................................................... 00-14

Important safety notice .......................................................................................................00-14

How to read the shop manual.............................................................................................. 00-21

Explanation of terms for maintenance standard .................................................................... 00-23

Handling equipment of fuel system devices .......................................................................... 00-25

Handling of intake system parts........................................................................................... 00-26

Handling of hydraulic equipment.......................................................................................... 00-27

Method of disconnecting and connecting of push-pull type coupler ......................................... 00-29

Handling of electrical equipment.......................................................................................... 00-32

How to read electric wire code............................................................................................. 00-40

Precautions when performing operation ............................................................................... 00-43

Practical use of KOMTRAX................................................................................................. 00-48

Standard tightening torque table.......................................................................................... 00-49

List of abbreviation ............................................................................................................. 00-55

Conversion table................................................................................................................ 00-60

01 Specification.................................................................................................................................01-1

Table of contents ........................................................................................................................01-2

Specifications.............................................................................................................................01-3

Specification drawings..........................................................................................................01-3

Working range drawings .......................................................................................................01-4

Specifications ......................................................................................................................01-5

Weight table ........................................................................................................................01-8

Table of fuel, coolant and lubricants .......................................................................................01-9

10 Structure and function ...................................................................................................................10-1

Table of contents ........................................................................................................................10-2

Engine and cooling system..........................................................................................................10-3

Engine related parts .............................................................................................................10-3

KVGT..................................................................................................................................10-5

EGR system piping drawing................................................................................................10-12

EGR system circuit diagram................................................................................................ 10-14

EGR valve......................................................................................................................... 10-16

EGR cooler........................................................................................................................ 10-18

KCCV layout drawing ......................................................................................................... 10-20

KCCV ventilator ................................................................................................................. 10-22

KDPF................................................................................................................................ 10-24

Cooling system .................................................................................................................. 10-28

Power train............................................................................................................................... 10-30

Power train system............................................................................................................. 10-30

Swing circle ....................................................................................................................... 10-32

Swing machinery ............................................................................................................... 10-33

Final drive ......................................................................................................................... 10-35

Undercarriage and frame........................................................................................................... 10-37

Track frame and idler cushion ............................................................................................. 10-37

Hydraulic system ...................................................................................................................... 10-39

Hydraulic equipment layout drawing .................................................................................... 10-39

Valve control...................................................................................................................... 10-41

Hydraulic tank.................................................................................................................... 10-43

CLSS................................................................................................................................ 10-45

Main pump ........................................................................................................................ 10-50

Control valve ..................................................................................................................... 10-74

Swing motor .................................................................................................................... 10-128

Travel motor .................................................................................................................... 10-139

PPC valve ....................................................................................................................... 10-152

Solenoid valve ................................................................................................................. 10-173

Attachment circuit selector valve (for high pressure circuit) .................................................. 10-176

00-2 PC240LC–10

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00 Index and foreword

Index

Attachment circuit selector valve (for low pressure circuit).................................................... 10-178

Center swivel joint............................................................................................................ 10-181

Accumulator .................................................................................................................... 10-183

Work equipment ..................................................................................................................... 10-184

Work equipment............................................................................................................... 10-184

Work equipment shim....................................................................................................... 10-185

Bucket play adjustment shim............................................................................................. 10-186

Cab and its attachments.......................................................................................................... 10-187

Cab mount and cab tipping stopper ................................................................................... 10-187

ROPS cab....................................................................................................................... 10-188

Electrical system .................................................................................................................... 10-189

Electrical control system ................................................................................................... 10-189

Machine monitor system................................................................................................... 10-232

KOMTRAX system........................................................................................................... 10-252

Sensor ............................................................................................................................ 10-254

20 Standard value table .....................................................................................................................20-1

Table of contents ........................................................................................................................20-2

Standard service value table........................................................................................................20-3

Standard value table for engine related parts.......................................................................... 20-3

Standard value table for chassis related parts......................................................................... 20-4

Posture of machine for measuring performance and measurement procedure......................... 20-13

30 Testing and adjusting ....................................................................................................................30-1

Table of contents ........................................................................................................................30-2

Related information on testing and adjusting ................................................................................. 30-3

Tools for testing and adjusting ...............................................................................................30-3

Sketch of tools for testing and adjusting ................................................................................. 30-7

Engine and cooling system..........................................................................................................30-9

Testing engine speed ...........................................................................................................30-9

Testing boost pressure ....................................................................................................... 30-10

Testing exhaust gas color ................................................................................................... 30-11

Testing and adjusting valve clearance.................................................................................. 30-13

Testing compression pressure............................................................................................. 30-16

Measuring blowby pressure ................................................................................................ 30-20

Measuring engine oil pressure............................................................................................. 30-21

Measuring EGR valve and KVGT oil pressure....................................................................... 30-22

Measuring fuel pressure ..................................................................................................... 30-23

Measuring fuel delivery, return and leakage.......................................................................... 30-29

Bleeding air from fuel system .............................................................................................. 30-34

Testing fuel circuit for leakage ............................................................................................. 30-36

Handling cylinder cutout mode operation.............................................................................. 30-37

Handling no-injection cranking operation.............................................................................. 30-38

Testing and adjusting air conditioner compressor belt tension ................................................ 30-39

Replacing fan belt .............................................................................................................. 30-40

Power train............................................................................................................................... 30-41

Testing swing circle bearing clearance ................................................................................. 30-41

Undercarriage and frame........................................................................................................... 30-42

Testing and adjusting track tension ...................................................................................... 30-42

Hydraulic system ...................................................................................................................... 30-43

Releasing remaining pressure from hydraulic circuit.............................................................. 30-43

Measuring and adjusting oil pressure in work equipment, swing, and travel circuits .................. 30-44

Testing oil pressure in control circuit..................................................................................... 30-48

Testing and adjusting oil pressure in pump PC control circuit.................................................. 30-49

Testing and adjusting oil pressure in pump LS control circuit .................................................. 30-52

Testing output pressure of solenoid valve ............................................................................. 30-57

Measuring PPC valve output pressure ................................................................................. 30-61

Adjusting play of work equipment and swing PPC valves....................................................... 30-63

Testing pump swash plate sensor........................................................................................ 30-64

Isolating the parts causing hydraulic drift in work equipment................................................... 30-65

Testing oil leakage ............................................................................................................. 30-67

PC240LC–10 00-3

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00 Index and foreword

Index

Bleeding air from hydraulic circuit ........................................................................................ 30-70

Cab and its attachments............................................................................................................ 30-72

Testing cab tipping stopper ................................................................................................. 30-72

Adjusting mirrors................................................................................................................ 30-73

Electrical system ...................................................................................................................... 30-75

Special functions of machine monitor................................................................................... 30-75

Adjusting rearview camera angle....................................................................................... 30-141

Handling voltage circuit of engine controller........................................................................ 30-143

Handling battery disconnect switch .................................................................................... 30-144

Testing diodes ................................................................................................................. 30-145

Pm clinic ................................................................................................................................ 30-146

Pm clinic service .............................................................................................................. 30-146

40 Troubleshooting............................................................................................................................40-1

Table of contents ........................................................................................................................40-2

Related information on troubleshooting......................................................................................... 40-9

Troubleshooting points .........................................................................................................40-9

Sequence of events in troubleshooting................................................................................. 40-11

Testing before troubleshooting ............................................................................................ 40-13

Inspection procedure before troubleshooting ........................................................................ 40-15

Preparation work for troubleshooting of electrical system....................................................... 40-43

Classification and procedure for troubleshooting ................................................................... 40-47

Symptom of probable failure and troubleshooting No............................................................. 40-50

Information in troubleshooting table ..................................................................................... 40-53

Diagnostic procedure for wiring harness open curcuit of pressure sensor system .................... 40-55

Connector list and layout .................................................................................................... 40-57

Connector contact identification........................................................................................... 40-68

T-branch box and T-branch adapter table ........................................................................... 40-107

Fuse list and location........................................................................................................ 40-112

Precautions for KDPF (KCSF and KDOC) Cleaning and Replacement ................................. 40-114

Failure codes table........................................................................................................... 40-117

Troubleshooting by failure code (Display of code) ...................................................................... 40-126

Failure code [879AKA] A/C Inner Sensor Open Circuit ........................................................ 40-126

Failure code [879AKB] A/C Inner Sensor Short Circuit......................................................... 40-127

Failure code [879BKA] A/C Outer Sensor Open Circuit........................................................ 40-128

Failure code [879BKB] A/C Outer Sensor Short Circuit........................................................ 40-129

Failure code [879CKA] Ventilating Sensor Open Circuit ....................................................... 40-130

Failure code [879CKB] Ventilating Sensor Short Circuit ....................................................... 40-131

Failure code [879DKZ] Sunlight Sensor Open or Short Circuit .............................................. 40-132

Failure code [879EMC] Ventilation Damper Abnormality ...................................................... 40-133

Failure code [879FMC] Air Mix Damper Abnormality ........................................................... 40-134

Failure code [879GKX] Refrigerant Abnormality.................................................................. 40-135

Failure code [989L00] Engine Controller Lock Caution1....................................................... 40-136

Failure code [989M00] Engine Controller Lock Caution2...................................................... 40-137

Failure code [989N00] Engine Controller Lock Caution3 ...................................................... 40-138

Failure code [A1U0N3] HC desorb request1 ....................................................................... 40-139

Failure code [A1U0N4] HC desorb request2 ....................................................................... 40-141

Failure code [AA10NX] Air Cleaner Clogging ...................................................................... 40-143

Failure code [AB00KE] Charge Voltage Low....................................................................... 40-145

Failure code [B@BAZG] Engine Oil Pressure Low .............................................................. 40-147

Failure code [B@BAZK] Eng Oil Level Low ........................................................................ 40-148

Failure code [B@BCNS] Engine Coolant Overheat ............................................................. 40-149

Failure code [B@BCZK] Radiator Coolant Level Low .......................................................... 40-150

Failure code [B@HANS] Hyd Oil Overheat ......................................................................... 40-152

Failure code [CA115] Eng Ne and Bkup Speed Sens Error .................................................. 40-153

Failure code [CA122] Chg Air Press Sensor High Error ....................................................... 40-154

Failure code [CA123] Chg Air Press Sensor Low Error ........................................................ 40-156

Failure code [CA131] Throttle Sensor High Error................................................................. 40-158

Failure code [CA132] Throttle Sensor Low Error ................................................................. 40-160

Failure code [CA144] Coolant Temp Sens High Error .......................................................... 40-162

00-4 PC240LC–10

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00 Index and foreword

Index

Failure code [CA145] Coolant Temp Sens Low Error ........................................................... 40-164

Failure code [CA153] Chg Air Temp Sensor High Error........................................................ 40-166

Failure code [CA154] Chg Air Temp Sensor Low Error......................................................... 40-168

Failure code [CA187] Sensor 2 Supply Volt Low Error ......................................................... 40-170

Failure code [CA221] Ambient Press Sensor High Error ...................................................... 40-172

Failure code [CA222] Ambient Press Sensor Low Error ....................................................... 40-174

Failure code [CA227] Sensor 2 Supply Volt High Error......................................................... 40-176

Failure code [CA234] Eng Overspeed ................................................................................ 40-177

Failure code [CA238] Ne Speed Sensor Supply Volt Error ................................................... 40-178

Failure code [CA239] Ne Speed Sens Supply Volt High Error............................................... 40-179

Failure code [CA271] IMV/PCV1 Short Error ...................................................................... 40-180

Failure code [CA272] IMV/PCV1 Open Error ...................................................................... 40-182

Failure code [CA295] Ambient Press Sens In Range Error................................................... 40-183

Failure code [CA322] Inj #1(L#1) Open/Short Error ............................................................. 40-184

Failure code [CA323] Inj #5(L#5) Open/Short Error ............................................................. 40-186

Failure code [CA324] Inj #3(L#3) Open/Short Error ............................................................. 40-188

Failure code [CA325] Inj #6(L#6) Open/Short Error ............................................................. 40-190

Failure code [CA331] Inj #2(L#2) Open/Short Error ............................................................. 40-192

Failure code [CA332] Inj #4(L#4) Open/Short Error ............................................................. 40-194

Failure code [CA343] ECM Critical Internal Failure.............................................................. 40-196

Failure code [CA351] Injectors Drive Circuit Error ............................................................... 40-197

Failure code [CA352] Sensor 1 Supply Volt Low Error ......................................................... 40-198

Failure code [CA356] Mass Air Flow Sensor High Error ....................................................... 40-200

Failure code [CA357] Mass Air Flow Sensor Low Error........................................................ 40-202

Failure code [CA386] Sensor 1 Supply Volt High Error......................................................... 40-204

Failure code [CA428] Water in Fuel Sensor High Error ........................................................ 40-205

Failure code [CA429] Water in Fuel Sensor Low Error ......................................................... 40-207

Failure code [CA435] Eng Oil Press Sw Error ..................................................................... 40-209

Failure code [CA441] Battery Voltage Low Error ................................................................. 40-210

Failure code [CA442] Battery Voltage High Error................................................................. 40-212

Failure code [CA449] Rail Press Very High Error................................................................. 40-213

Failure code [CA451] Rail Press Sensor High Error............................................................. 40-214

Failure code [CA452] Rail Press Sensor Low Error ............................................................. 40-216

Failure code [CA488] Chg Air Temp High Torque Derate...................................................... 40-217

Failure code [CA515] Rail Press Sens Sup Volt High Error .................................................. 40-218

Failure code [CA516] Rail Press Sens Sup Volt Low Error ................................................... 40-220

Failure code [CA553] Rail Press High Error ........................................................................ 40-222

Failure code [CA555] Crankcase Press High Error 1 ........................................................... 40-223

Failure code [CA556] Crankcase Press High Error 2 ........................................................... 40-224

Failure code [CA559] Rail Press Low Error......................................................................... 40-225

Failure code [CA595] Turbo Speed High Error 2 ................................................................. 40-227

Failure code [CA687] Turbo Speed Low Error..................................................................... 40-228

Failure code [CA689] Eng Ne Speed Sensor Error .............................................................. 40-230

Failure code [CA691] Intake Air Temp Sens High Error........................................................ 40-232

Failure code [CA692] Intake Air Temp Sens Low Error......................................................... 40-234

Failure code [CA697] ECM Int Temp Sensor High Error ....................................................... 40-236

Failure code [CA698] ECM Int Temp Sensor Low Error........................................................ 40-237

Failure code [CA731] Eng Bkup Speed Sens Phase Error ................................................... 40-238

Failure code [CA778] Eng Bkup Speed Sensor Error........................................................... 40-239

Failure code [CA1117] Persistent Data Lost Error................................................................ 40-243

Failure code [CA1664] KDOC Malfunction.......................................................................... 40-244

Failure code [CA1691] Regeneration Ineffective ................................................................. 40-246

Failure code [CA1695] Sensor 5 Supply Volt High Error....................................................... 40-248

Failure code [CA1696] Sensor 5 Supply Volt Low Error ....................................................... 40-250

Failure code [CA1843] Crankcase Press Sens High Error.................................................... 40-252

Failure code [CA1844] Crankcase Press Sens Low Error .................................................... 40-254

Failure code [CA1879] KDPF Delta P Sensor High Error ..................................................... 40-256

Failure code [CA1881] KDPF Delta P Sensor Low Error ...................................................... 40-258

Failure code [CA1883] KDPF Delta P Sens In Range Error.................................................. 40-260

PC240LC–10 00-5

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00 Index and foreword

Index

Failure code [CA1921] KDPF Soot Load High Error 1.......................................................... 40-263

Failure code [CA1922] KDPF Soot Load High Error 2.......................................................... 40-265

Failure code [CA1942] Crankcase Press Sens In Range Error ............................................. 40-270

Failure code [CA1993] KDPF Delta Pressure Low Error ...................................................... 40-271

Failure code [CA2185] Throt Sensor Sup Volt High Error ..................................................... 40-272

Failure code [CA2186] Throt Sensor Sup Volt Low Error...................................................... 40-273

Failure code [CA2249] Rail Press Very Low Error ............................................................... 40-274

Failure code [CA2271] EGR Valve Pos Sens High Error ...................................................... 40-275

Failure code [CA2272] EGR Valve Pos Sens Low Error ....................................................... 40-277

Failure code [CA2288] Turbo Speed High Error 1................................................................ 40-280

Failure code [CA2311] IMV Solenoid Error ......................................................................... 40-281

Failure code [CA2349] EGR Valve Solenoid Open Error ...................................................... 40-282

Failure code [CA2353] EGR Valve Solenoid Short Error ...................................................... 40-284

Failure code [CA2357] EGR Valve Servo Error ................................................................... 40-286

Failure code [CA2373] Exh Manifold Press. Sens Volt ......................................................... 40-287

Failure code [CA2374] Exhaust Manifold Press Sens Low Error........................................... 40-289

Failure code [CA2375] EGR Orifice Temp Sens High Error .................................................. 40-291

Failure code [CA2376] EGR Orifice Temp Sens Low Error ................................................... 40-293

Failure code [CA2381] KVGT Pos Sens High Error ............................................................. 40-295

Failure code [CA2382] KVGT Pos Sens Low Error .............................................................. 40-297

Failure code [CA2383] KVGT Solenoid Open Error ............................................................. 40-299

Failure code [CA2386] KVGT Solenoid Short Error ............................................................. 40-301

Failure code [CA2387] KVGT Servo Error .......................................................................... 40-303

Failure code [CA2554] Exh Manifold Press Sens In Range Error.......................................... 40-304

Failure code [CA2555] Grid Htr Relay Volt Low Error........................................................... 40-305

Failure code [CA2556] Grid Htr Relay Volt High Error .......................................................... 40-308

Failure code [CA2637] KDOC Face Plugging ..................................................................... 40-310

Failure code [CA2639] Manual Stationary Regeneration Request......................................... 40-312

Failure code [CA2961] EGR Orifice Temp High Error 1 ........................................................ 40-314

Failure code [CA2973] Chg Air Press Sensor In Range Error ............................................... 40-315

Failure code [CA3133] KDPF Outlet Press Sens High Error ................................................. 40-316

Failure code [CA3134] KDPF Outlet Press Sens Low Error.................................................. 40-318

Failure code [CA3135] KDPF Outlet Press Sens In Range Error .......................................... 40-320

Failure code [CA3251] KDOC Inlet Temp High Error............................................................ 40-323

Failure code [CA3253] KDOC Temp Error - Non Regeneration............................................. 40-326

Failure code [CA3254] KDOC Outlet Temp High Error 1 ...................................................... 40-328

Failure code [CA3255] KDPF Temp Error - Non Regeneration.............................................. 40-331

Failure code [CA3256] KDPF Outlet Temp High Error 1 ....................................................... 40-332

Failure code [CA3311] KDOC Outlet Temp High Error 2....................................................... 40-333

Failure code [CA3312] KDPF Outlet Temp High Error 2 ....................................................... 40-334

Failure code [CA3313] KDOC Inlet Temp Sensor Low Error ................................................. 40-336

Failure code [CA3314] KDOC Inlet Temp Sens High Error ................................................... 40-339

Failure code [CA3315] KDOC Inlet Temp Sens In Range Error............................................. 40-343

Failure code [CA3316] KDOC Outlet Temp Sens Low Error ................................................. 40-347

Failure code [CA3317] KDOC Outlet Temp Sens High Error................................................. 40-350

Failure code [CA3318] KDOC Inlet Temp Sens In Range Error............................................. 40-354

Failure code [CA3319] KDPF Outlet Temp Sens High Error ................................................. 40-358

Failure code [CA3321] KDPF Outlet Temp Sens Low Error .................................................. 40-362

Failure code [CA3322] KDPF Outlet Temp Sens In Range Error........................................... 40-365

Failure code [CA3419] Mass Air Flow Sensor Sup Volt High Error ........................................ 40-369

Failure code [CA3421] Mass Air Flow Sensor Sup Volt Low Error ......................................... 40-370

Failure code [CA3741] Rail Press Valve Trip Error............................................................... 40-372

Failure code [D110KB] Battery Relay Output Voltage .......................................................... 40-373

Failure code [D19JKZ] Personal Code Relay Abnormality.................................................... 40-375

Failure code [D811MC] KOMTRAX Error............................................................................ 40-378

Failure code [D862KA] GPS Antenna Open Circuit ............................................................. 40-379

Failure code [D8ALKA] Operating Lamp Open Circuit (KOMTRAX)

......................................................................................................................... 40-380

Failure code [D8ALKB] Operating Lamp Short Circuit (KOMTRAX) ...................................... 40-382

00-6 PC240LC–10

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00 Index and foreword

Index

Failure code [D8AQKR] CAN2 Discon (KOMTRAX) ............................................................ 40-383

Failure code [DA20MC] Pump Controller............................................................................ 40-384

Failure code [DA22KK] Pump Solenoid Power Low Error..................................................... 40-385

Failure code [DA25KP] 5V Sensor 1 Power Abnormality...................................................... 40-387

Failure code [DA29KQ] Model Selection Abnormality .......................................................... 40-390

Failure code [DA2LKA] Operating Lamp Open Circuit (Pump Con) ....................................... 40-392

Failure code [DA2LKB] Operating Lamp Short Circuit (Pump Con) ....................................... 40-394

Failure code [DA2QKR] CAN2 Discon (Pump Con) ............................................................. 40-395

Failure code [DA2RKR] CAN1 Discon (Pump Con) ............................................................. 40-397

Failure code [DAF0MB] Monitor ROM Abnormality.............................................................. 40-398

Failure code [DAF0MC] Monitor Error ................................................................................ 40-399

Failure code [DAF8KB] Camera Power Supply Short Circuit ................................................ 40-400

Failure code [DAF9KQ] Model Selection Abnormality .......................................................... 40-402

Failure code [DAFGMC] GPS Module Error........................................................................ 40-403

Failure code [DAFLKA] Operating Lamp Open Circuit (Monitor) ........................................... 40-404

Failure code [DAFLKB] Operating Lamp Short Circuit (Monitor)............................................ 40-406

Failure code [DAFQKR] CAN2 Discon (Monitor) ................................................................. 40-407

Failure code [DAZ9KQ] A/C Model Selection Abnormality.................................................... 40-408

Failure code [DAZQKR] CAN2 Discon (Aircon ECU) ........................................................... 40-409

Failure code [DB2QKR] CAN2 Discon (Engine Con) ........................................................... 40-413

Failure code [DB2RKR] CAN1 Discon (Engine Con) ........................................................... 40-418

Failure code [DGH2KB] Hyd Oil Sensor Short Circuit .......................................................... 40-422

Failure code [DHA4KA] Air Cleaner Clog Sensor Open Circuit ............................................. 40-424

Failure code [DHPAMA] F Pump Press Sensor Abnormality................................................. 40-425

Failure code [DHPBMA] R Pump Press Sensor Abnormality ................................................ 40-428

Failure code [DHS3MA] Arm Curl PPC Press Sensor Abnormality........................................ 40-431

Failure code [DHS4MA] Bucket Curl PPC Press Sensor Abnormality ................................... 40-433

Failure code [DHS8MA] Boom Raise PPC Press Sensor Abnormality................................... 40-436

Failure code [DHS9MA] Boom Lower PPC Press Sensor Abnormality .................................. 40-439

Failure code [DHSAMA] Swing RH PPC Press Sensor Abnormality ..................................... 40-442

Failure code [DHSBMA] Swing LH PPC Press Sensor Abnormality ...................................... 40-445

Failure code [DHSCMA] Arm Dump PPC Press Sensor Abnormality .................................... 40-448

Failure code [DHSDMA] Bucket Dump PPC Press Sensor Abnormality ................................ 40-451

Failure code [DHSFMA] Travel Fwd LH PPC Press Sensor Abnormality ............................... 40-454

Failure code [DHSGMA] Travel Fwd RH PPC Press Sensor Abnormality .............................. 40-457

Failure code [DHSHMA] Travel Rev LH PPC Press Sensor Abnormality ............................... 40-460

Failure code [DHSJMA] Travel Rev RH PPC Press Sensor Abnormality ............................... 40-463

Failure code [DKR0MA] F Pump Swash Plate Sensor Abnormality....................................... 40-466

Failure code [DKR1MA] R Pump Swash Plate Sensor Abnormality ...................................... 40-469

Failure code [DR21KX] Camera 2 Picture Rev. Drive Abnormality ........................................ 40-472

Failure code [DR31KX] Camera 3 Picture Rev. Drive Abnormality ........................................ 40-474

Failure code [DV20KB] Travel Alarm Short Circuit............................................................... 40-476

Failure code [DW43KA] Travel Speed Sol Open Circuit ....................................................... 40-478

Failure code [DW43KB] Travel Speed Sol Short Circuit ....................................................... 40-480

Failure code [DW45KA] Swing Brake Sol Open Circuit ........................................................ 40-482

Failure code [DW45KB] Swing Brake Sol Short Circuit ........................................................ 40-485

Failure code [DW91KA] Travel Junction Sol Open Circuit .................................................... 40-488

Failure code [DW91KB] Travel Junction Sol Short Circuit..................................................... 40-490

Failure code [DWA2KA] Attachment Sol Open Circuit.......................................................... 40-492

Failure code [DWA2KB] Attachment Sol Short Circuit.......................................................... 40-494

Failure code [DWK0KA] 2-Stage Relief Sol Open Circuit ..................................................... 40-496

Failure code [DWK0KB] 2-Stage Relief Sol Short Circuit...................................................... 40-498

Failure code [DWK2KA] Variable Back Press Sol Open Circuit............................................. 40-500

Failure code [DWK2KB] Variable Back Press Sol Short Circuit ............................................. 40-502

Failure code [DWK8KA] Swing Press C/O Sol Open Circuit ................................................. 40-504

Failure code [DWK8KB] Swing Press C/O Sol Short Circuit ................................................. 40-506

Failure code [DXA8KA] PC-EPC (F) Sol Open Circuit.......................................................... 40-508

Failure code [DXA8KB] PC-EPC (F) Sol Short Circuit.......................................................... 40-510

Failure code [DXA9KA] PC-EPC (R) Sol Open Circuit ......................................................... 40-512

PC240LC–10 00-7

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00 Index and foreword

Index

Failure code [DXA9KB] PC-EPC (R) Sol Short Circuit ......................................................... 40-514

Failure code [DXE0KA] LS-EPC Sol Open Circuit ............................................................... 40-516

Failure code [DXE0KB] LS-EPC Sol Short Circuit ............................................................... 40-518

Failure code [DXE4KA] Attachment Flow EPC Open Circuit ................................................ 40-520

Failure code [DXE4KB] Attachment Flow EPC Short Circuit................................................. 40-522

Failure code [DXE5KA] Merge-divide Main Sol Open Circuit ................................................ 40-524

Failure code [DXE5KB] Merge-divide Main Sol Short Circuit ................................................ 40-526

Failure code [DXE6KA] Merge-divide LS Sol Open Circuit ................................................... 40-528

Failure code [DXE6KB] Merge-divide LS Sol Short Circuit ................................................... 40-530

Failure code [DY20KA] Wiper Working Abnormality ............................................................ 40-532

Failure code [DY20MA] Wiper Parking Abnormality............................................................. 40-534

Failure code [DY2CKB] Washer Drive Short Circuit............................................................. 40-536

Failure code [DY2DKB] Wiper Drive (Fwd) Short Circuit ...................................................... 40-538

Failure code [DY2EKB] Wiper Drive (Rev) Short Circuit ....................................................... 40-540

Troubleshooting of electrical system (E-mode) .......................................................................... 40-542

E-1 Engine does not start (Engine does not crank) .............................................................. 40-542

E-2 Manual preheating system does not work..................................................................... 40-548

E-3 Automatic preheating system does not work................................................................. 40-551

E-4 Preheating monitor does not light up when preheater is operated ................................... 40-553

E-5 When starting switch is turned to ON position, machine monitor displays nothing............. 40-555

E-6 When starting switch is turned to ON position (before starting engine), engine oil level

monitor lights up in yellow.................................................................................... 40-558

E-7 When starting switch is turned to ON position (before starting engine), radiator coolant

level monitor lights up in yellow ............................................................................ 40-559

E-8 Coolant temperature monitor lights up in white while engine is running ........................... 40-560

E-9 Hydraulic oil temperature monitor lights up in white while engine is running ..................... 40-561

E-10 Charge level monitor lights up while engine is running ................................................. 40-562

E-11 Fuel level monitor lights up in red while engine is running............................................. 40-563

E-12 Air cleaner clogging monitor lights up in yellow while engine is running ......................... 40-564

E-13 Water separator monitor lights up while engine is running ............................................ 40-565

E-14 Coolant temperature monitor lights up in red while engine is running............................. 40-566

E-15 Hydraulic oil temperature monitor lights up in red while engine is running ...................... 40-567

E-16 Engine oil pressure monitor lights up in red while engine is running .............................. 40-568

E-17 Fuel gauge indicates either full or empty and does not move........................................ 40-569

E-18 Fuel gauge indicates incorrect amount (indicates neither full nor empty)........................ 40-570

E-19 Coolant temperature gauge indicates either Min. or Max. and does not move ................ 40-571

E-20 Coolant temperature gauge indicates incorrect temperature (indicates neither Min. nor

Max.) ................................................................................................................. 40-572

E-21 Hydraulic oil temperature gauge indicates either Min. or Max. and does not

move ................................................................................................................. 40-573

E-22 Hydraulic oil temperature gauge indicates incorrect temperature (indicates neither Min.

nor Max.) ........................................................................................................... 40-575

E-23 Content of display on machine monitor is different from that of actual machine .............. 40-576

E-24 Machine monitor does not display some items ............................................................ 40-577

E-25 Function switch does not work................................................................................... 40-578

E-26 Automatic preheating system does not work (In cold season)....................................... 40-579

E-27 Auto-deceleration monitor does not light up or does not go out when auto-deceleration

switch is operated ............................................................................................... 40-580

E-28 Auto-deceleration is not actuated or canceled when lever is operated ........................... 40-581

E-29 Working mode selection screen is not diplayed when working mode switch is

operated ............................................................................................................ 40-582

E-30 Engine or hydraulic pump setting does not change when working mode is

changed............................................................................................................. 40-583

E-31 Travel speed monitor does not change when travel speed switch is operated ................ 40-584

E-32 Travel speed does not change when travel speed is shifted ......................................... 40-585

E-33 Alarm buzzer does not stop sounding......................................................................... 40-586

E-34 When starting switch is turned to OFF position, service meter is not displayed............... 40-587

E-35 Service mode cannot be selected .............................................................................. 40-588

E-36 Any of work equipment, swing and travel does not work............................................... 40-589

00-8 PC240LC–10

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