Fujitsu ARTG30LHTA Original Betriebsanleitung

SPLIT TYPE

ROOM AIR CONDITIONER

DUCT type

Models Indoor unit Outdoor unit

ARTG30LHTA

ARTG36LHTA

ARTG45LHTA

ARTG54LHTA

AOTG30LATL

AOTG36LATL

AOTG45LATL

AOTG54LATL

INVERTER

SERVICE

INSTRUCTION

R410A

CONTENTS

1. SPECIFICATIONS

1. DESCRIPTION OF EACH CONTROL OPERATION

1-1-1 COOLING CAPACITY CONTROL......................................................................

1-1 COOLING OPERATION............................................................................................

1-4 AUTO CHANGEOVER OPERATION........................................................................

1-5 INDOOR FAN CONTROL.........................................................................................

1-6 OUTDOOR FAN CONTROL......................................................................................

1-7 COMPRESSOR CONTROL......................................................................................

01-01

1-2-1 HEATING CAPACITY CONTROL......................................................................

1-2 HEATING OPERATION............................................................................................. 01-02

01-02

1-3-1 INDOOR UNIT CONTROL.................................................................................

1-3 DRY OPERATION...................................................................................................... 01-03

01-03

01-04

01-06

01-08

01-09

1-8 TIMER OPERATION CONTROL............................................................................... 01-10

1-9 ELECTRONIC EXPANSION VALVE CONTROL...................................................... 01-12

1-10 TEST OPERATION CONTROL............................................................................... 01-12

1-11 PREVENT TO START FOR 3 MINUTES (3 MINUTES ST).................................... 01-12

1-12 4-WAY VALVE EXTENSION SELECT.................................................................... 01-12

1-13

AUTO RESTART..................................................................................................... 01-14

1-14

PUMP DOWN.......................................................................................................... 01-13

1-15 COMPRESSOR PREHEATING............................................................................... 01-14

1-16 MINIMUM HEAT OPERATION................................................................................ 01-14

1-20 VARIOUS PROTECTIONS...................................................................................... 01-18

1-21 COMPRESSOR STOP CONTROL.......................................................................... 01-20

1-19 OFF DEFROST OPERATION CONTROL............................................................... 01-17

6. REFRIGERANT CAUTION -R410A-

3. DISASSEMBLY PROCESS

2-1-2 OUTDOOR UNIT DISPLAY................................................................................

2-1-1 WIRED REMOTE CONTROLLER DISPLAY......................................................

2-1 ERROR DISPLAY......................................................................................................

2. TROUBLE SHOOTING

2-2 TROUBLE SHOOTING WITH ERROR CODE..........................................................

2-3 TROUBLE SHOOTING WITH NO ERROR CODE....................................................

2-4 SERVICE PARTS INFORMATION............................................................................

02-01

02-03

02-30

02-04

02-35

DISASSEMBLY PROCESS( FOR ARTG45 / 54LHTA )............................................ 03-01

1-18 DEFROST OPERATION CONTROL....................................................................... 01-15

1-17 ECONOMY OPERATION........................................................................................ 01-14

1-22 DESCRIPTION OF DISPLAY UNIT......................................................................... 01-21

2 . TROUBLE SHOOTING

R410A

DUCT type

INVERTER

Indoor Room Thermistor Error

Wired Remote Controller

Communication Error

Error Contents Trouble

shooting

02-01

2 ERROR DISPLAY

2-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY

Serial Communication Error

Indoor Unit Fan Motor1 Error

Indoor Heat Ex. Thermistor Error

Drainage Error

1,2

1- 9

IPM Error

Error

Code

Fan Motor Driving Circuit Error

Indoor Unit Error

Inverter Error

Indoor Unit Fan Motor2 Error

Error Contents Trouble

shooting

Error

Code

Over Current Error

Discharge Thermistor Error

Current sensor

Error

Pressure sensor Error

Compressor Thermistor Error

AR-WAF1E

AR-WDD1E

hen "Er" in Temperature Display is displayed, inspection of the air conditioning system is necessary.

Please consult authoilzed service personnel.

1. SELF - DIAGNOSIS

TH FR

Unit number (usually 0)

Error code

ex. Self-diagnosis check

Compressor Control Error

Outdoor Unit Fan Motor 1 Error

Outdoor Unit Fan Motor 2 Error

4-way Valve Error

Discharge Temp. Error

Compressor Temp. Error

Low Pressure Error

When there is an error on the indoor unit:

Code : Er 41.1

R.C. address : 00

Error

10:00

Monitor

Code : XXXXXX

R.C. address : 00

Error

10:00

Monitor

Error code*

Address number of the

relevant indoor unit

a 1 digit number.

Installation manual of the indoor unit.

Outdoor Thermistor Error

Heat Sink Thermistor Error

Heat Ex. Liquid Outlet

Thermistor Error

02-02

2. ERROR CODE HISTORY DISPLAY

Up to 16 memorized error codes may be displayed for the indoor unit connected to the remote controller.

1. Stop the air conditioner operation.

2. Press the SET TEMPERATURE buttons , simultaneously for 3 seconds

or more to start the self-diagnosis.

4. Press the SET TEMPERATURE buttons , simultaneously for 3 seconds or more

or there is no key input for 60 seconds to stop the display.

3. Press the SET TEMPERATURE button to select the error history number.

SU MO TU WE TH FR SA

Error code

Error history number

0 1 2 3 4 5 6 7

F E d c b A 9 8



Lower Raise

2. ERROR DETECTION

1. OUTDOOR UNIT Indicator PCB

Display when an error occurs.

POWER ERROR

PUMP

DOWN

LOW

NOISE

PEAK

CUT

MODE (L1) (L2) (L3) (L4) (L5) (L6)

Blink

(Hi speed)

Check that the “ERROR” LED blinks, then press the [Enter] button once.

For details, refer to the following table.

02-03

LEDs

Buttons

2-1-2 OUTDOOR UNIT DISPLAY

Error Contents POWER

MODE ERROR

Serial forward transfer error(after operation)

(L1) (L2) (L6)(L5)(L4)(L3)

IPM Error

Indoor Unit Error

Inverter Error

Over Current Error

Discharge Thermistor Error

Outdoor Thermistor Error

Heat Sink Thermistor Error

Current sensor Error

Pressure sensor Error

Heat Ex. Liquid Middle

Thermistor Error

Compressor Thermistor Error

Compressor Control Error

Outdoor Unit Fan Motor 1 Error

Outdoor Unit Fan Motor 2 Error

4-way Valve Error

Discharge Temp. Error

Compressor Temp. Error

Low Pressure Error

1 1

6 3

6 5

7 1

7 2

7 3

7 4

7 7

8 4

8 6

9 4

9 5

9 7

9 8

9 9

10 1

10 3

10 5

Serial forward transfer error(during operation)

Heat Ex. Liquid Outlet

Thermistor Error

High Pressure Switch Error

LED DISPLAY

PUMP

DOWN

LOW

NOISE

PEAK

CUT

Trouble

shooting

1 - 9

1 ~ : 1~ 15 Times Blinking15

: Light ON: Light OFF

2 : 2

Times Blinking

Trouble shooting 1

OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause:

Indicate or Display:

Refer to error code table.

YESYES

Serial Communication Error

(Serial Reverse Transfer Error)

Outdoor unit Main PCB

Outdoor unit Fan motor

1. Connection failure 2. External cause 3. Main PCB failure 4. Active filter module failure

5. Transistor PCB (IPM) failure 6. Filter PCB failure 7. Outdoor unit Fan motor failure

Check Point 1-1 : Reset the power and operate

Does error indication reappear?

Check Point 1-2 : Check external cause such as noise

Check if the ground connection is proper.

Check if there is any equipment that causes harmonic wave

near the power cable (Neon light bulb or any electronic

equipment which causes harmonic wave).

Check Point 2 : Check connection

Check any loose or removed connection line of

between indoor unit and outdoor unit.

>> If there is an abnormal condition, correct it by

referring to Installation Manual or Data &

Technical Manual.

Check connection condition in control unit.

(If there is loose connector, open cable or mis-wiring)

Check Point 3 : Check the voltage of power supply

Check the voltage of power supply

>> Check if AC198V(AC220V-10%) - 264V(AC240V+10%) appears

at outdoor unit terminal L - N.

When the indoor unit cannot receive the serial signal from Outdoor unit

more than 2minutes after power ON, or the indoor unit cannot receive

the serial signal more than 15seconds during normal operation.

02-04

2-2 TROUBLE SHOOTING WITH ERROR CODE

Check Point 4 : Check serial signal (Reverse transfer signal)

Check serial signal (Reverse transfer signal)

>> Check if indicated value swings between AC70V and AC130V at outdoor unit terminal 1 - 3.

>> If it is abnormal, Check the parts as follows.

- Outdoor unit fan motor (PARTS INFORMATION 5)

- Active filter module (PARTS INFORMATION 4)

- Transistor PCB (IPM) (PARTS INFORMATION 7)

- Filter PCB (Check the wire of CN110)

>> If Outdoor fan motor is abnormal, replace Outdoor unit fan motor and Main PCB.

>> If Active filter module or IPM is abnormal, replace it.

>> If the parts are normal, replace Main PCB.

RED

WHITE

BLACK

WHITE

Trouble shooting 2

INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause:

Indicate or Display:

Refer to error code table.

YESYES

Serial Communication Error

(Serial Forward Transfer Error)

Indoor unit Controller PCB

1. Connection failure 2. External cause 3. Controller PCB failure

Check Point 1-1 : Reset the power and operate

Does error indication reappear?

Check Point 1-2 : Check external cause such as noise

Check if the ground connection is proper.

Check if there is any equipment that causes harmonic wave

near the power cable (Neon light bulb or any electronic

equipment which causes harmonic wave).

Check Point 2 : Check connection

Check any loose or removed connection line of

between indoor unit and outdoor unit.

>> If there is an abnormal condition, correct it by

referring to Installation Manual or Data &

Technical Manual.

Check connection condition in control unit.

(If there is loose connector, open cable or mis-wiring)

Check Point 3 : Check the voltage of power supply

Check the voltage of power supply

>> Check if AC198V(AC220V-10%) - 268V(AC240V+10%) appears

at outdoor unit terminal L - N.

Check Point 4 : Check serial signal (Forward transfer signal)

Check serial signal (Forward transfer signal)

>> Check if indicated value swings between AC70V and AC130V at outdoor unit terminal 2 - 3.

>> If it is abnormal, replace Controller PCB.

When the outdoor unit cannot properly receive the serial signal from

indoor unit for 10 seconds or more.

02-05

RED

WHITE

BLACK

WHITE

Trouble shooting 3

INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause:

Check Point 2 : Check Wired Remote Controller and Controller PCB

Check Point 1 : Check the connection of terminal

OKOK

Indicate or Display:

Wired Remote Controller

Communication Error

Indoor unit Controller PCB

Wired Remote Controller (Option)

1. Connection failure 2. Wired Remote Controller failure 3. Controller PCB failure

Check & correct the followings.

Check the connection of terminal between Wired Remote Controller and indoor unit,

and check if there is a disconnection of the cable.

When the indoor unit cannot properly receive the signal from

Wired Remote Controller for 1 minute or more.

02-06

Refer to error code table.

>> If it is DC13V, Remote Control is failure. (Controller PCB is normal) >> Replace Remote Control

>> If it is DC 0V, Controller PCB is failure. (Check Remote Control once again) >> Replace Controller PCB

Check Voltage at CN14(ARTG30/36LHTA),CN140(ARTG45/54LHTA) of Controller PCB. (terminal 1-3)

(Power supply to Remote Control)

Trouble shooting 4

INDOOR UNIT Error Method:

Indicate or Display:

Detective Actuators: Detective details:

Forecast of Cause :

Fan Motor Drive Circuit Error

Indoor Unit Power Supply PCB When a momentary power cut off.

When do not start fan motor.

1. External cause 2. Conenection of connector failure 3. Power Supply PCB failure

Check Point 3 : Replace Power supply PCB

If Check Point 1, 2 do not improve the symptom, replace Power supply PCB.

02-07

Refer to error code table.

OKOK

Check Point 2 : Check connection of Connector

Check if connector is removed.

Check erroneous connection.

Check if cable is open.

>>Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 1 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)

Instant drop : Check if there is a large load electric apparatus in the same circuit.

Momentary power failure : Check if there is a defective contact or leak current

in the power supply circuit.

Noise : Check if there is any equipment causing harmonic wave near electric line.

(Neon bulb or electric equipment that may cause harmonic wave)

Check the complete insulation of grounding.

OKOK

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