Error Detection - Fujitsu ASYG09LLTB-T Service Manual

ERROR DETECTION

TROUBLESHOOTING
with the indoor unit display
OPERATION lamp (green)
TIMER lamp
(orange)
2014.02.24
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
ECONOMY Outdoor temp. sensor error
lamp (green)
Current sensor error
Trip detection
Compressor rotor position detection error
Outdoor unit fan motor error
4-way valve error
Discharge temp. error
10
OPERATION TIMER
1 flash 1 flash
3 2
3 5
4 1
4 2
5 1
5 15
6 2
6 3
6 4
6 5
6 10
7 1
7 3
7 4
8 4
9 4
9 5
9 7
9 9
10 1
(0.5s on / 0.5s off)
ECONOMY
Rapid flash
(0.1s on
/ 0.1s off)