Volvo L60F Bedienungsanleitung

MORE CARE. BUILT IN.

CONTENT

3 Electrical and Information System

Description

VOLVO CONSTRUCTION EQUIPMENT

SERVICE MANUAL

l60F/L70F/L90F

Foreword

This booklet is part of a complete service manual. Read the fore‐

word in the service manual.

WARNING!

Always read the booklet Safety before proceeding.

VOE 21 A 1002889

Content

30 GENERAL

300 Comprehensive info, electrical system

Electrical system, work instructions ............................................................ 5

Electrical system, description ..................................................................... 8

Electronic control system, description ...................................................... 10

Communication with data buses ............................................................... 12

Software, description ................................................................................ 13

Instrument control unit I-ECU, description ................................................ 14

Vehicle control unit V-ECU, description .................................................... 15

Vehicle control unit V2-ECU, description .................................................. 16

Engine control unit E-ECU, description .................................................... 16

Climate control unit ECC, description ....................................................... 17

31 BATTERY

310 General, common info about 311 - 313

Battery, description ................................................................................... 18

Battery, charging ....................................................................................... 19

Batteries, replacing ................................................................................... 20

System voltage ......................................................................................... 22

Key feed .................................................................................................... 22

32 ALTERNATOR; CHARGE REGULATOR

320 General, common info about 321 - 322

Alternator 80 A, description ...................................................................... 23

33 STARTING SYSTEM

331 Starter motor inclusive solenoid

Booting sequence ..................................................................................... 24

35 LIGHTING

350 General, common info about 351 - 356

Lighting, description .................................................................................. 25

36 OTHER ELECTRICAL EQUIPMENT

360 General, common info about 361 - 367

Reduced computer communication .......................................................... 28

Interruption in computer communication ................................................... 29

Limp Home ............................................................................................... 29

Intermittent wiper and washer ................................................................... 30

Theft protection ......................................................................................... 32

38 INSTRUMENT; SENSOR; WARNING AND INFORMATION

SYSTEM

380 General, common info about 383 - 387

Instruments ............................................................................................... 33

Instrument panels, position .................................................................... 33

Middle instrument panel with warning lights ............................................. 34

386 Sender, monitoring system

Washer fluid level ..................................................................................... 35

Fuel consumption ..................................................................................... 36

Travelling speed ....................................................................................... 37

Machine hours .......................................................................................... 37

387 Warning/information unit, display unit

Information display, general ...................................................................... 38

Information display, start lockout .............................................................. 41

Information display, operating display ...................................................... 42

Information display, engine ....................................................................... 43

Information display, transmission ............................................................. 45

Information display, hydraulics ................................................................. 46

Information display, axles / brakes ........................................................... 47

Information display, electrical system ....................................................... 48

Information display, vehicle info ................................................................ 49

Information display, vehicle messages ..................................................... 51

Information display, service ...................................................................... 52

Information display, service mode ............................................................ 53

Information display, settings ..................................................................... 55

Information display, check ........................................................................ 56

Alarm, description ..................................................................................... 57

Central warning ......................................................................................... 58

ELEC. SYSTEM; WARNING

SYSTEM; INFORMATION

SYSTEM; INSTRUMENTS

30 GENERAL

300 Comprehensive info, electrical

system

Electrical system, work instructions

Regarding: L60F, L70F, L90F

Batteries

1 Fully charged and otherwise satisfactory batteries must

always be used when working on the electrical system.

2 Test the batteries with an acid tester. The battery disconnect

switch should be turned off.

3 When installing a battery, make sure that the battery is con‐

nected with the correct polarity.

4 When changing batteries connected in series, make sure they

are of equal capacity, for example, 2 batteries of 105 Ah. The

batteries should have the same age (same quality), since the

charging current required to reach a certain voltage varies with

the battery's age.

5 If booster battery is required when starting, the following

instructions must be followed at all times;

191, Safety when

working with batteries

and

191, Starting with booster batter‐

ies

Charging

1 Before performing any tests of the alternator or regulator, the

batteries must be checked regarding insulation, loose fit, and

corrosion. Check the alternator belts.

2 For all testing of alternating current equipment, use “secure”

connections in order to prevent sparks and voltage transients.

A loose cable may result in destruction of both the alternator

and regulator.

3 Never disconnect the alternator leads while the engine is run‐

ning. This could damage both the alternator and regulator.

4 If the current alternator output socket should be connected to

the chassis, damage may occur to the alternator and regulator.

Components

When removing or installing components in the electrical system,

turn off the voltage supply with the battery disconnector.

Welding

For electric welding on the machine or on attachments on

machine:

- voltage feed turned off with battery disconnector

- connectors for all control units (ECUs) must be unplugged

NOTE! Ground the welding unit as close as possible to the weld‐

ing point.

Electrical system, description

Regarding: L60F, L70F, L90F

The machine has a 24 V electrical system with two 12 volt bat‐

teries connected in series, located on each side of the rear frame

in the counterweight.

The battery disconnector is located under the radiator casing.

Fuse FU74 is next to the battery disconnector and supplies volt‐

age to certain components (e.g., voltage converter for radio),

even when the battery disconnector is turned off.

Voltage feed takes place via a fuse box located in the engine

compartment. The fuse box contains main fuse as well as fuses

for preheating coil and secondary steering pump.

Relays and fuses are mainly located in the electrical distribution

box behind the operator's seat and are accessed by removing the

cover for the electrical distribution box. The cover's inside is pro‐

vided with a decal that informs which power-consuming compo‐

nent is connected to each relay and fuse. There is a built-in

terminal for fuse test in the electrical distribution box. The relays

in the electrical distribution box are interchangeable.

Components are marked according to which function group they

belong. The first two digits indicate function group and the other

digits are running numbers, e.g., SE2203.

NOTE! For working on the electrical system, follow the instruc‐

tions in section

Electrical system, work instructions page 5

V1048614

Fig.1 Position

1 Fuse box

2 Batteries

3 Battery disconnector, fuse FU74

4 Electrical distribution box

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