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Fujitsu
AOU12RL2 manual Inverter, Service Instruction, R410A, WALL MOUNTEDtype, Outdoor unit
Models:
ASU12RL2
AOU09RL2
AOU12RL2
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Troubleshooting
Install
2-4SERVICE PARTS INFORMATION
Error messages
Defrost Flow Chart
9-1WIRELESS REMOTE CONTROLLER
Check Point 1-1 Reset Power supply and operate
2-1ERROR DISPLAY
Sleep Timer
Remote controller signal code
Page 1
Image 1
SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED
type
INVERTER
SERVICE
INSTRUCTION
Models Indoor unit
Outdoor unit
ASU09RL2
AOU09RL2
ASU12RL2
AOU12RL2
R410A
Page 2
Page 1
Image 1
Page 2
Contents
SERVICE INSTRUCTION
INVERTER
R410A
WALL MOUNTEDtype
1. DESCRIPTION OF EACH CONTROL OPERATION
2. TROUBLE SHOOTING
CONTENTS
3. APPENDING DATA
Page
INVERTER
WALL MOUNTED type
1 . DESCRIPTION OF EACH CONTROL OPERATION
R410A
1. COOLING OPERATION
3. DRY OPERATION
2. HEATING OPERATION
4. AUTO CHANGEOVER OPERATION
1. Fan speed
5. INDOOR FAN CONTROL
2. FAN OPERATION
3. COOLING OPERATION
6. COOL AIR PREVENTION CONTROL Heating mode
5. HEATING OPERATION
Fig.6 Cool air prevension control
Normal operation
1. Outdoor Fan Motor
6. OUTDOOR FAN CONTROL
2. Fan Speed
2. ADJUST THE RIGHT-LEFTLOUVERS
7. LOUVER CONTROL
Types of Air flow Direction Setting
1. VERTICAL LOUVER CONTROL
1.OPEARTION FREQUENCY RANGE
8.COMPRESSOR CONTROL
2.OPEARTION FREQUENCY CONTROL AT NORMAL START UP
9-1WIRELESS REMOTE CONTROLLER
9. TIMER OPEARTION CONTROL
2. PROGRAM TIMER
1. OPEARTION FREQUENCY RANGE
In the cooling operation mode
3. SLEEP TIMER
In the heating operation mode
12. AUTO RESTART
11. FOUR-WAYVALVE EXTENSION SELECT
14. FORCED COOLING OPERATION TEST OPERATION
17. POWERFUL OPERATION
15. COMPRESSOR PREHEATING
16. ECONOMY OPERATION
1.CONDITION OF STARTING THE DEFROST OPERATION
18. DEFROST OPERATION CONTROL
2. CONDITION OF THE DEFROST OPERATION COMPLETION
Normal defrost
3. Defrost Flow Chart
Integrating defrost
01-14
OFF Defrost Flow Chart Heating operation stop
19. OFF DEFROST OPEARTION CONTROL
1. OFF DEFROST OPERATION CONDITION
2. OFF DEFROST END CONDITION
2.CURRENT RELEASE CONTROL
20. VARIOUS PROTECTIONS
Heating
Heating
3.ANTIFREEZING CONTROL Cooling and Dry mode
5.HIGH TEMPERATURE RELEASE CONTROL HEATING MODE
4. COOLING PRESSURE OVERRISE PROTECTION
WALL MOUNTED type
2 . TROUBLE SHOOTING
INVERTER
R410A
2. TROUBLESHOOTING
2-1ERROR DISPLAY
Trouble shooting 1-1OUTDOOR UNIT Error Method
2-2TROUBLE SHOOTING WITH ERROR CODE
Indicate or Display Refer to error code table
Check Point 3 : Check the voltage of power supply
Indicate or Display Refer to error code table
Trouble shooting 1-2INDOOR UNIT Error Method
Check Point 3 Check the voltage of power supply
Detective Actuators
Indoor unit PCB model information error
Trouble shooting 2 INDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Manual auto switch error
Trouble shooting 3 INDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Room temp. sensor error
Trouble shooting 4 INDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Indoor unit Heat Ex. middle temp. sensor error
Trouble shooting 5 INDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Indoor unit fan motor error
Trouble shooting 6 INDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Indicate or Display Refer to error code table
Trouble shooting 7 OUTDOOR UNIT Error Method
Check Point 1-1 Reset Power supply and operate
Detective Actuators
PFC circuit error
Trouble shooting 8 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Trip terminal L error
Trouble shooting 9 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Discharge temp. sensor error
Trouble shooting 10 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Outdoor unit Heat Ex. liquid temp. sensor error
Trouble shooting 11 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Outdoor temp. sensor error
Trouble shooting 12 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Current sensor error
Trouble shooting 13 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Indicate or Display Refer to error code table
Trouble shooting 14 OUTDOOR UNIT Error Method
Trip detection
Detective Actuators
Compressor rotor position detection error
Trouble shooting 15 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Outdoor unit fan motor error
Trouble shooting 16 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
4-wayvalve error
Trouble shooting 17 INDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Discharge temperature error
Trouble shooting 18 OUTDOOR UNIT Error Method
Indicate or Display Refer to error code table
Detective Actuators
Indoor Unit - No Power
2-3TROUBLE SHOOTING WITH NO ERROR CODE
Trouble shooting
Trouble shooting
Outdoor Unit - No Power
Power supply failure 2. External cause
Check Point 1 Check Installation Condition
No Operation Power is ON
Trouble shooting
Setting/ Connection failure 2. External cause
Forecast of Cause
No Cooling / No Heating
Trouble shooting
1.Abnormal installation Indoor/ Outdoor
Trouble shooting
Diagnosis method when abnormal noise is occurred
Trouble shooting
SERVICE PARTS INFORMATION
2-4SERVICE PARTS INFORMATION
Compressor
Inverter Compressor
SERVICE PARTS INFORMATION
If Resistance value is abnormal, replace EEV
SERVICE PARTS INFORMATION
If it does not appear, replace Main PCB
CLOSE Example Hot Gas
SERVICE PARTS INFORMATION
SERVICE PARTS INFORMATION
Indoor unit fan motor
Outdoor unit fan motor
Page
WALL MOUNTED type
3 . APPENDING DATA
INVERTER
R410A
3-1-1INDOOR UNIT
3-1.FUNCTION SETTING
1-1.Setting the Filter Sign
1-2.Cooling Room Temperature Correction
1-5.Remote controller signal code
1-4.Setting the Auto Restart
STEP Setting the Remote controller Signal Code
Entering the Function Setting Mode
PREPARATION
STEP
Selecting the Function Number and Setting Value
Setting Value
Function
REMOTE CONTROLLER SIGNAL CODE SETTING
3-2-1INDOOR UNIT
3-2.Thermistor Resistance Values
3-2-2OUTDOOR UNIT
Page
1116,Suenaga,Takatsu-ku,Kawasaki 213-8502,Japan
