Fujitsu ACUH09LUAS1, Service Manual

Page: 69 / 153

2-17. E: 62. Outdoor unit main PCB error (Outdoor unit)
Indicator
→ired remote
controller
Error code E: 62
Detective actuator Outdoor unit Main PCB
Access to EEPROM failed due to some cause after
outdoor unit started.
Forecast of cause
External cause (Noise, temporary open, voltage drop)
Main PCB failure
Check point 1. Reset power supply and operate
If no, go to "Check point 1-2" .
Does error indication show again?
Check point 2. Replace main PCB
Change main PCB.
End
Check point 1-2. Check external cause
• Check if temporary voltage drop was not
generated.
• Check if momentary open was not generat-
ed.
• Check if ground is connection correctly or
there are no related cables near the power
line.
End
2-17. E: 62. Outdoor unit main PCB error (Outdoor unit)
- (03-21) -
2. Troubleshooting with error code
TR
O
U
B
LESH
O
O
TI
N
G
TR
O
U
B
LESH
O
O
TI
N
G