-
45
-
Outdoor unit error
[Broken power transistor
broken compressor wire]
Compressor overheat
[Gas shortage, defective discharge
pipe thermistor]
Is output voltage applied to all 3
phases of power transistor?
(Refer to page 50 for details)
Defective inverter
Is compressor wiring connected
securely?
Connect securely.
Inspect compressor.
YES
YES
NO
NO
Is Discharge pipe thermistor
resistance value good?
(Page 44)
Is sufficient quantity of refrigerant
circulated?
Defective inverter
YES
YES
NO
NO
YES
NO
Gas shortage
Connector connection check, resistance
value check, replacement of discharge pipe
thermistor
Does trouble persist after
charging gas?
Clogged capillary tube,
etc.
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