SiBE121135
Troubleshooting for Outdoor Unit
Service Diagnosis
319
7.17 Electrical Box Temperature Rise
Remote
Controller
Display
L3
Outdoor Unit LED
Display
A
j
1
i
2
i
3
h
4
i
5
h
Method of
Malfunction
Detection
An electrical box temperature rise is detected by checking the radiation fin thermistor with the
compressor off.
Malfunction
Decision
Conditions
With the compressor off, the radiation fin temperature is above
A
°C.
The error is cleared when the temperature drops below
B
°C.
To cool the electrical components, the outdoor fan starts when the radiation fin temperature
rises above
C
°C and stops when it drops below
B
°C.
Supposed
Causes
Defective outdoor fan motor
Short circuit
Defective radiation fin thermistor
Disconnection of connector
Defective outdoor unit PCB
A
(°C)
B
(°C)
C
(°C)
100
70
85
Содержание Super Multi NX 3MKS50E3V1B
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