Service Diagnosis - Haier 1U25BEEFRA Service Manual

10 Service Diagnosis

10.1 Caution for Diagnosis
The operation lamp flashes when any of the following errors is detected.
1. When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions,
disabling equipment operation.
2. When a signal transmission error occurs between the indoor and outdoor units. In either case, conduct the
diagnostic procedure described in the following pages.
Parameter of primary electronic appliance
n a m e
Compressor
Fan motor
Reactor
4-way valve
p a a r m t e r e
Rated voltage:220-230V
Rated current:4.8A
Rated frequency: 50/60HZ
Rated voltage:220-230V
Rated current:0.2A
Rated frequency: 50/60HZ
Rated voltage:220-230V
Rated current:10.5A
Rated frequency: 50/60HZ
Rated voltage:220-230V
Rated current:0.1A
Rated frequency: 50/60HZ
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Service diagnosis
p c i u t e r
Domestic air conditioner