- 91 -
Error code check
Error number
Errors
Meaning
Main cause of occurrence
106
(11
→
061)
Fan PCB IPM
Fault
IPM protection circuit acti-
vation (over current / over-
heating)
1. Overload operation (Pipe clogging/Covering/EEV
defect/Ref. overcharge
2. Fan motor assemble condition abnormal (Coil disconnec-
tion/Short/Insulation damage)
3. Fan PCB heatsink assemble condition abnormal
4. Fan PCB assembly defect
n
Failure diagnosis method
Is a fan motor assembly
status normal?
Is a fan board assembly
status normal?
Is a fan board normal?
Power and installation
environment recheck
Is a fan radiator
temperature sensor
normal?
Is a fan motor wire
connection status
normal?
Confirm a fan motor assembly status and restriction
→
Outdoor fan
motor re-assembly and replacement when finding a proble
1. Confirm fan motor U,V,W connector connection status
→
Wire re-connection when finding a problem
2. Confirm a fan motor wire disconnection
→
Replace an outdoor fan motor when finding a problem
1.Confirm a fan PCB connector connection status
→
Re-assembly and take action when finding a problem
2. Confirm a fan PCB and a radiator connection status
→
Radiator screw re-assembly and take action when finding a problem
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Confirm a radiator temperature sensor wire disconnection
[Temperature sensor resistance measurement confirmation
(10 KΩ ± 5 % at 25 ℃)]
→
Replace the sensor when finding a problem
Fan board replacement
Fan Motor Wire connection