Fujitsu AUUH18LUAS Service Manual page 68

1-3. Error code table (Wired remote controller)
The operation, timer, and economy indicators operate according to the error contents.
For confirmation of the error contents, refer the flashing pattern as follows.
E: 11.↓. Serial communication error (Serial reverse transfer error) (Outdoor unit)
E: 11.↓. Serial communication error (Serial forward transfer error) (Indoor unit)
E: 12.↓. →ired remote controller communication error (Indoor unit)
E: 15.↓. Automatic air flow adjustment error (Indoor unit)
E: 18.↓. External communication error (Indoor unit)
E: 23.↓. Combination error (Outdoor unit)
E: 26.↓. Address setting error in wired remote controller (Indoor unit)
E: 29.↓. Connected unit number error (Indoor unit)
E: 32.↓. Indoor unit main PCB error (Indoor unit)
E: 33.↓. Indoor unit motor electricity consumption detection error (Indoor unit)
E: 35.↓. MANUAL AUTO button error (Indoor unit)
E: 39.↓. Indoor unit power supply error for fan motor (Indoor unit)
E: 3A.↓. Indoor unit communication circuit (wired remote controller) error
E: 41.↓. Room temperature sensor error (Indoor unit)
E: 42.↓. Indoor unit heat exchanger sensor error (Indoor unit)
E: 51.↓. Indoor unit fan motor error (Indoor unit)
E: 53.↓. Drain pump error (Indoor unit)
E: 62.↓. Outdoor unit main PCB error (Outdoor unit)
E: 63.↓. Inverter error (Outdoor unit)
E: 64.↓. PFC circuit error (Outdoor unit)
E: 65.↓. Trip terminal L error (Outdoor unit)
E: 71.↓. Discharge thermistor error (Outdoor unit)
E: 72.↓. Compressor thermistor error (Outdoor unit)
E: 73.↓. Heat exchanger (Middle/Outlet) temperature thermistor error (Outdoor unit)
E: 74.↓. Outdoor temperature thermistor error (Outdoor unit)
E: 77.↓. Heat sink thermistor error (Outdoor unit) (24/30/36 model)
E: 84.↓. Current sensor error (Outdoor unit)
E: 86.↓. High pressure switch error (Outdoor unit) (24/30/36 model)
E: 94.↓. Trip detection (Outdoor unit)
E: 95.↓. Compressor motor control error (Outdoor unit)
E: 97.↓. Outdoor unit fan motor error (Outdoor unit)
E: 99.↓. 4-way valve error (Outdoor unit)
E: A1.↓. Discharge temperature error (Outdoor unit)
E: A3.↓. Compressor temperature error (Outdoor unit)
E: AC.↓. Heat sink temperature error (Outdoor unit) (24/30/36 model)
1-3. Error code table (→ired remote controller)
Error contents
- (03-2) -
Wired remote
controller
display
11
11
12
15
18
23
26
29
32
33
35
39
3A
41
42
51
53
62
63
64
65
71
72
73
74
77
84
86
94
95
97
99
A1
A3
AC
1. Error code