Fujitsu ASUH09LMAS User Manual

CONTENTS
3. TROUBLESHOOTING
1. Error code ....................................................................................................03-1
1-1. How to check the error memory......................................................................................03-1
1-2. How to erase the error memory ......................................................................................03-1
1-3. Error code table (Indoor unit and wired remote controller)..............................................03-2
2. Troubleshooting with error code ...............................................................03-3
2-1. E: 11.X. Serial communication error (Serial reverse transfer error) (Outdoor unit) .........03-3
2-2. E: 11.X. Serial communication error (Serial forward transfer error) (Indoor unit) ............03-5
2-3. E: 12.X. Wired remote controller communication error (Indoor unit) ...............................03-7
2-4. E: 18.X. External communication error (Indoor unit).......................................................03-8
2-5. E: 32.X. Indoor unit main PCB error (Indoor unit) ...........................................................03-9
2-6. E: 35.X. MANUAL AUTO button error (Indoor unit) ......................................................03-10
2-7. E: 41.X. Room temperature sensor error (Indoor unit)..................................................03-11
2-8. E: 42.X. Indoor unit heat exchanger sensor error (Indoor unit).....................................03-12
2-9. E: 51.X. Indoor unit fan motor error (Indoor unit) ..........................................................03-13
2-10. E: 62.X. Outdoor unit main PCB error (Outdoor unit)..................................................03-14
2-11. E: 64.X. PFC circuit error (Outdoor unit).....................................................................03-15
2-12. E: 71.X. Discharge thermistor error (Outdoor unit) .....................................................03-16
2-13. E: 73.X. Outdoor unit heat exchanger thermistor error (Outdoor unit) ........................03-17
2-14. E: 74.X. Outdoor temperature thermistor error (Outdoor unit) ....................................03-18
2-15. E: 84.X. Current sensor error (Outdoor unit)...............................................................03-19
2-16. E: 94.X. Trip detection (Outdoor unit) ........................................................................03-20
2-17. E: 95.X. Compressor motor control error (Outdoor unit) .............................................03-21
2-18. E: 97.X. Outdoor unit fan motor error (Outdoor unit)...................................................03-22
2-19. E: 99.X. 4-way valve error (Outdoor unit) ...................................................................03-23
2-20. E: A1.X. Discharge temperature error (Outdoor unit)..................................................03-25
3. Troubleshooting without error code........................................................03-27
3-1. Indoor unit—No power..................................................................................................03-27
3-2. Outdoor unit—No power...............................................................................................03-28
3-3. No operation (Power is on)...........................................................................................03-29
3-4. No cooling/No heating ..................................................................................................03-30
3-5. Abnormal noise.............................................................................................................03-32
3-6. Water leaking................................................................................................................03-33
4. Service parts information .........................................................................03-34
4-1. Compressor..................................................................................................................03-34
4-2. Inverter compressor......................................................................................................03-35
4-3. Outdoor unit Electronic Expansion Valve (EEV) ...........................................................03-36
4-4. Indoor unit fan motor ....................................................................................................03-38
4-5. Outdoor unit fan motor..................................................................................................03-39
5. Thermistor resistance values...................................................................03-40
5-1. Indoor unit ....................................................................................................................03-40
5-2. Outdoor unit..................................................................................................................03-41

Fujitsu ASUH09LMAS Specifications

General

Brand	Fujitsu
Model	ASUH09LMAS
Category	Air Conditioner
Language	English