SiBE121021_C Troubleshooting for Outdoor Unit
Service Diagnosis 353
7.14 Radiation Fin Temperature Rise
Remote
Controller
Display
L4
Outdoor Unit LED
Display
A
j
1
h
2
h
3
h
4
i
5
h
Method of
Malfunction
Detection
A radiation fin temperature rise is detected by checking the radiation fin temperature with the
compressor on.
Malfunction
Decision
Conditions
îš„
The radiation fin temperature with the compressor on is above
A
°C.
îš„
The error is cleared when the temperature drops below
B
°C
îš„
If the error repeats, the system is shut down.
îš„
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
îš„
Defective outdoor unit fan
îš„
Short circuit
îš„
Defective fin thermistor
îš„
Disconnection of connector
îš„
Defective outdoor unit PCB
îš„
Silicon grease is not applied properly on the radiation fin after replacing the outdoor unit
PCB.
A (°C) B (°C)
50-75 class 103 95
80/90 class 105 97
To Next Page
Loading...
Need help?
General
