Fujitsu AUXG18KVLA Service Manual page 70

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 (Wired remote controller)......................................................................03-2
1-4. Error code table (Outdoor unit: for 36/45/54 model only)................................................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. Wired remote controller communication error (Indoor unit) ..................................03-9
2-4. E: 18. External communication error (Indoor unit) ........................................................03-11
2-5. E: 23. Combination error (Outdoor unit)........................................................................03-12
2-6. E: 26. Address setting error in wired remote controller (Indoor unit).............................03-13
2-7. E: 29. Connected unit number error (Indoor unit) .........................................................03-14
2-8. E: 32. Indoor unit main PCB error (Indoor unit) ............................................................03-15
2-9. E: 33. Indoor unit motor electricity consumption detection error (Indoor unit) ...............03-16
2-10. E: 35. MANUAL AUTO button error (Indoor unit)........................................................03-17
2-11. E: 39. Indoor unit power supply error for fan motor (Indoor unit) ................................03-18
2-12. E: 3A. Indoor unit communication circuit (wired remote controller) error ....................03-19
2-13. E: 41. Room temperature sensor error (Indoor unit) ...................................................03-20
2-14. E: 42. Indoor unit heat exchanger sensor error (Indoor unit) ......................................03-21
2-15. E: 51. Indoor unit fan motor error (Indoor unit) ...........................................................03-22
2-16. E: 53. Drain pump error (Indoor unit) ..........................................................................03-23
2-17. E: 62. Outdoor unit main PCB error (Outdoor unit) .....................................................03-24
2-18. E: 63. Inverter error (Outdoor unit)..............................................................................03-25
2-19. E: 64. PFC circuit error (Outdoor unit) ........................................................................03-26
2-20. E: 65. Trip terminal L error (Outdoor unit)...................................................................03-27
2-21. E: 71. Discharge thermistor error (Outdoor unit).........................................................03-28
2-22. E: 72. Compressor thermistor error (Outdoor unit) .....................................................03-29
2-23. E: 73. Heat exchanger (Middle/Outlet) temperature thermistor error (Outdoor unit) ...03-30
2-24. E: 74. Outdoor temperature thermistor error (Outdoor unit)........................................03-31
2-25. E: 77. Heat sink thermistor error (Outdoor unit) ..........................................................03-32
2-26. E: 84. Current sensor error (Outdoor unit) ..................................................................03-33
2-27. E: 86. High pressure switch error (Outdoor unit) ........................................................03-34
2-28. E: 86. Pressure sensor error (Outdoor unit)................................................................03-35
2-29. E: 94. Trip detection (Outdoor unit).............................................................................03-36
2-30. E: 95. Compressor motor control error (Outdoor unit) ................................................03-37
2-31. E: 97. Outdoor unit fan motor error (Outdoor unit) ......................................................03-38
2-32. E: 99. 4-way valve error (Outdoor unit).......................................................................03-40
2-33. E: A1. Discharge temperature error (Outdoor unit) .....................................................03-42
2-34. E: A3. Compressor temperature error (Outdoor unit)..................................................03-44
2-35. E: A5. Low pressure error (Outdoor unit)....................................................................03-46
2-36. E: AC. Heat sink temperature error (Outdoor unit)......................................................03-48
CONTENTS
3. TROUBLESHOOTING