Fujitsu AUUH18LUAS Service Manual page 64

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 (→ired remote controller)......................................................................03-2
1-4. Error code table (Outdoor unit) .......................................................................................03-3
2. Troubleshooting with error code ...............................................................03-5
2-1. E: 11.↓. Serial communication error (Serial reverse transfer error) (Outdoor unit) .........03-5
2-2. E: 11.↓. Serial communication error (Serial forward transfer error) (Indoor unit) ............03-7
2-3. E: 12.↓. →ired remote controller communication error (Indoor unit) ...............................03-9
2-4. E: 15.↓. Automatic air flow adjustment error (Indoor unit) ............................................03-10
2-5. E: 18.↓. External communication error (Indoor unit) .....................................................03-11
2-6. E: 23.↓. Combination error (Outdoor unit) ....................................................................03-12
2-7. E: 26.↓. Address setting error in wired remote controller (Indoor unit) .........................03-13
2-8. E: 29.↓. Connected unit number error (Indoor unit) ......................................................03-14
2-9. E: 32.↓. Indoor unit main PCB error (Indoor unit) .........................................................03-15
2-10. E: 33.↓. Indoor unit motor electricity consumption detection error (Indoor unit)..........03-16
2-11. E: 35.↓. MANUAL AUTO button error (Indoor unit) ....................................................03-17
2-12. E: 39.↓. Indoor unit power supply error for fan motor (Indoor unit) .............................03-18
2-13. E: 3A.↓. Indoor unit communication circuit (wired remote controller) error .................03-19
2-14. E: 41.↓. Room temperature sensor error (Indoor unit)................................................03-20
2-15. E: 42.↓. Indoor unit heat exchanger sensor error (Indoor unit) ...................................03-21
2-16. E: 51.↓. Indoor unit fan motor error (Indoor unit) ........................................................03-22
2-17. E: 53.↓. Drain pump error (Indoor unit).......................................................................03-23
2-18. E: 62.↓. Outdoor unit main PCB error (Outdoor unit)..................................................03-24
2-19. E: 63.↓. Inverter error (Outdoor unit) ..........................................................................03-25
2-20. E: 64.↓. PFC circuit error (Outdoor unit).....................................................................03-26
2-21. E: 65.↓. Trip terminal L error (Outdoor unit) ...............................................................03-27
2-22. E: 71.↓. Discharge thermistor error (Outdoor unit) .....................................................03-28
2-23. E: 72.↓. Compressor thermistor error (Outdoor unit) .................................................03-29
2-24. E: 73.↓. Heat exchanger (Middle/Outlet) temperature thermistor error (Outdoor unit).........
......................................................................................................................................03-30
2-25. E: 74.↓. Outdoor temperature thermistor error (Outdoor unit) ....................................03-31
2-26. E: 77.↓. Heat sink thermistor error (Outdoor unit) (24/30/36 model)...........................03-32
2-27. E: 84.↓. Current sensor error (Outdoor unit)...............................................................03-33
2-28. E: 86.↓. High pressure switch error (Outdoor unit) (24/30/36 model) .........................03-34
2-29. E: 94.↓. Trip detection (Outdoor unit) .........................................................................03-35
2-30. E: 95.↓. Compressor motor control error (Outdoor unit) .............................................03-36
2-31. E: 97.↓. Outdoor unit fan motor error (Outdoor unit)...................................................03-37
2-32. E: 99.↓. 4-way valve error (Outdoor unit) ...................................................................03-39
2-33. E: A1.↓. Discharge temperature error (Outdoor unit)..................................................03-41
2-34. E: A3.↓. Compressor temperature error (Outdoor unit) .............................................03-43
2-35. E: AC.↓. Heat sink temperature error (Outdoor unit) (24/30/36 model) ......................03-45
CONTENTS
3. TROUBLESHOOTING