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SiBE121135
Troubleshooting for Outdoor Unit
Service Diagnosis
321
7.18 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
The radiation fin temperature with the compressor on is above
A
°C.
The error is cleared when the temperature drops below
B
°C
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
Defective outdoor fan motor
Short circuit
Defective radiation fin thermistor
Disconnection of connector
Defective outdoor unit PCB
Silicon grease is not applied properly on the radiation fin after replacing the outdoor unit
PCB.
A
(°C)
B
(°C)
40/50/52/58/68/75 class
103
95
80/90 class
105
97
Содержание 3MXS40K2V1B
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