Error Detection - Fujitsu AOU36RLXFZ Service Manual

ER R O R D E T E C TIO N
OUTDOOR UNIT
Serial communication error (outdoor unit to indoor unit A)
Serial communication error (outdoor unit to indoor unit B)
Serial communication error (outdoor unit to indoor unit C)
Serial communication error (outdoor unit to indoor unit D)
Discharge thermistor error
Outdoor unit, heat exchanger (middle) thermistor error
Outdoor thermistor error
2-way valve thermistor error (indoor unit A)
2-way valve thermistor error (indoor unit B)
2-way valve thermistor error (indoor unit C)
2-way valve thermistor error (indoor unit D)
3-way valve thermistor error (indoor unit A)
3-way valve thermistor error (indoor unit B)
3-way valve thermistor error (indoor unit C)
3-way valve thermistor error (indoor unit D)
Compressor thermistor error
Heatsink thermistor error
High pressure switch 1 error
High pressure switch 2 error
Indoor unit capacity error
Trip detection
Compressor roter position detetion error
Trip terminal L error
Outdoor unit fan motor error
Outdoor unit PCB microcomputer communication error
Discharge temperature error
Compressor temperature error
4-way valve error
Outdoor unit PCB model information error
Active filter error, PFC circuit error
LED 1 LED 2
1 time
1 time
2 times
3 times
4 times
5 times
5 times
6 times
6 times
7 times
8 times
9 times
10 times
11 times
12 times
13 times
14 times
15 times
17 times
18 times
19 times
20 times
21 times
22 times
: flashing
: Off
LED 3 LED 4
1 time
1 time
5 times
5 times
6 times
6 times