Fujitsu GENERAL ASHG18KMTE - 3. Troubleshooting

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 ...............................................................03-4
2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit).............03-4
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit) ...............03-6
2-3. E: 12. →ired remote controller communication error (Indoor unit) ..................................03-8
2-4. E: 18. External communication error (Indoor unit) ..........................................................03-9
2-5. E: 22. Indoor unit capacity error (Indoor unit) ...............................................................03-10
2-6. E: 23. Combination error (Outdoor unit)........................................................................03-11
2-7. E: 26. Address setting error in wired remote controller (Indoor unit).............................03-12
2-8. E: 29. Connected unit number error (Indoor unit) .........................................................03-13
2-9. E: 32. Indoor unit main PCB error (Indoor unit) ............................................................03-14
2-10. E: 33. Indoor unit motor electricity consumption detection error (Indoor unit) .............03-15
2-11. E: 35. MANUAL AUTO button error (Indoor unit)........................................................03-16
2-12. E: 39. Indoor unit power supply error for fan motor (Indoor unit) ................................03-17
2-13. E: 3A. Indoor unit communication circuit (wired remote controller) error ....................03-18
2-14. E: 41. Room temperature sensor error (Indoor unit)...................................................03-19
2-15. E: 42. Indoor unit heat exchanger sensor error (Indoor unit) ......................................03-20
2-16. E: 51. Indoor unit fan motor error (Indoor unit) ...........................................................03-21
2-17. E: 62. Outdoor unit main PCB error (Outdoor unit).....................................................03-22
2-18. E: 63. Inverter error (Outdoor unit)..............................................................................03-23
2-19. E: 64. PFC circuit error (Outdoor unit) ........................................................................03-24
2-20. E: 65. Trip terminal L error (Outdoor unit)...................................................................03-25
2-21. E: 71. Discharge thermistor error (Outdoor unit).........................................................03-26
2-22. E: 72. Compressor thermistor error (Outdoor unit) (For 24model)..............................03-27
2-23. E: 73. Outdoor unit heat exchanger liquid outlet thermistor error (Outdoor unit).........03-28
2-24. E: 74. Outdoor temperature thermistor error (Outdoor unit)........................................03-29
2-25. E: 84. Current sensor error (Outdoor unit) ..................................................................03-30
2-26. E: 86. High pressure switch error (Outdoor unit) ........................................................03-31
2-27. E: 94. Trip detection (Outdoor unit) ............................................................................03-32
2-28. E: 95. Compressor motor control error (Outdoor unit) ................................................03-33
2-29. E: 97. Outdoor unit fan motor error (Outdoor unit)......................................................03-34
2-30. E: 99. 4-way valve error (Outdoor unit).......................................................................03-35
2-31. E: A1. Discharge temperature error (Outdoor unit).....................................................03-37
2-32. E: A3. Compressor temperature error (Outdoor unit)..................................................03-39
3. Troubleshooting without error code........................................................03-41
3-1. Indoor unit—No power..................................................................................................03-41
3-2. Outdoor unit—No power...............................................................................................03-42
3-3. No operation (Power is on)...........................................................................................03-43
3-4. No cooling/No heating ..................................................................................................03-44