Fujitsu AGHG12KVCB Service Manual page 38

1. Error code ....................................................................................................03-1
1-1. Error code table (Indoor unit and wired remote controller)..............................................03-1
2. Troubleshooting with error code ...............................................................03-2
2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit).............03-2
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit) ...............03-4
2-3. E: 12. Wired remote controller communication error (Indoor unit) ..................................03-6
2-4. E: 32. Indoor unit main PCB error (Indoor unit) ..............................................................03-7
2-5. E: 35. MANUAL AUTO button error (Indoor unit)............................................................03-8
2-6. E: 41. Room temperature sensor error (Indoor unit) .......................................................03-9
2-7. E: 42. Indoor unit heat exchanger sensor error (Indoor unit) ........................................03-10
2-8. E: 45. Refrigerant leakage sensor error (Indoor unit)....................................................03-11
2-9. E: 45. Refrigerant leakage sensor deterioration (Indoor unit) .......................................03-12
2-10. E: 51. Indoor unit fan motor error (Indoor unit) ...........................................................03-13
2-11. E: 57. Damper (Open/Close) detection limit switch error ............................................03-14
2-12. E: 57. Damper error (Damper(Open/Close) simultaneous detection limit switch error)
(Indoor unit)...................................................................................................................03-15
2-13. E: 62. Outdoor unit main PCB error (Outdoor unit) .....................................................03-16
2-14. E: 71. Discharge thermistor error (Outdoor unit).........................................................03-17
2-15. E: 73. Outdoor unit heat exchanger thermistor error (Outdoor unit)............................03-18
2-16. E: 74. Outdoor temperature thermistor error (Outdoor unit)........................................03-19
2-17. E: 84. Current sensor error (Outdoor unit) ..................................................................03-20
2-18. E: 94. Trip detection (Outdoor unit).............................................................................03-21
2-19. E: 95. Compressor motor control error (Outdoor unit) ................................................03-22
2-20. E: 97. Outdoor unit fan motor error (Outdoor unit) ......................................................03-23
2-21. E: 99. 4-way valve error (Outdoor unit).......................................................................03-24
2-22. E: A1. Discharge temperature error (Outdoor unit) .....................................................03-26
2-23. E: A8. Refrigerant leakage sensor error (Indoor unit) .................................................03-28
3. Troubleshooting without error code........................................................03-29
3-1. Indoor unit—No power..................................................................................................03-29
3-2. Outdoor unit—No power...............................................................................................03-30
3-3. No operation (Power is on) ...........................................................................................03-31
3-4. No cooling/No heating ..................................................................................................03-32
3-5. Abnormal noise.............................................................................................................03-34
3-6. Water leaking................................................................................................................03-35
4. Service parts information .........................................................................03-36
4-1. Compressor ..................................................................................................................03-36
4-2. Inverter compressor......................................................................................................03-37
4-3. Outdoor unit Electronic Expansion Valve (EEV) ...........................................................03-40
4-4. Indoor unit fan motor ....................................................................................................03-42
4-5. Outdoor unit fan motor..................................................................................................03-43
5. Thermistor resistance values...................................................................03-44
CONTENTS
3. TROUBLESHOOTING