E: 62. Outdoor Unit Main Pcb Error (Outdoor Unit) - Fujitsu AOUG12LZAH1 Service Manual

2-11. E: 62. Outdoor unit main PCB error (Outdoor unit)

Indicator Indoor unit
Detective actuator Outdoor unit
Forecast of cause
Check point 1. Reset power supply and operate
Does error indication show again?
Check point 2. Replace main PCB
Change main PCB.
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.
2-11. E: 62. Outdoor unit main PCB error (Outdoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
Main PCB
↓
↓
End
↓
End
Continuous flash
Access to EEPROM failed due to some cause after
outdoor unit started.
External cause (Noise, temporary open, voltage drop)
Main PCB failure
If no, go to "Check point
- (03-22) -
6 time flash
2 time flash
E: 62
1-2".
2. Troubleshooting with error code