Error Detection - Fujitsu ASYG07LMCA Service Manual

ERROR DETECTION

TROUBLESHOOTING
with the indoor unit display
Error
Serial communication error
Indoor unit PCB model information error
Manual auto switch error
Room temp. sensor error
Indoor unit Heat Ex. Middle temp.sensor error
Indoor unit fan motor error
Indoor unit error
Outdoor unit main PCB model
information error or communication error
Inverter error
Active filter error, PFC circuit error
Trip terminal L error
Display PCB microcomputers communication error
Discharge temp. sensor error
Outdoor unit Heat Ex. liquid temp. sensor error
Outdoor temp. sensor error
Current sensor error
Trip detection
Compressor rotor position detection error
4-way valve error
Discharge temp. error
2012.03.12
OPERATION lamp (green)
TIMER lamp
(orange)
OPERATION
1 flash
3
3
4
4
5
5
6
6
6
6
6
7
7
7
8
9
9
9
10
(0.5s on / 0.5s off)
11
ECONOMY
lamp (green)
TIMER ECONOMY
1 flash
2
5
1
2
1
15
2
3
4
Rapid flash
(0.1s on
5
/ 0.1s off)
10
1
3
4
4
4
5
9
1