Service Diagnosis - Haier Z/N-Series Service Manual

11 Service Diagnosis

11.1 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.
11.2 Parameter of primary electronic appliance
N O N a m e
1 Compressor
2 Fan motor
3 Reactor
4 4-way valve
P a a r m t e r e
Rated voltage:220-230V
Rated current:8.4A
Rated frequency:50/60Hz
Resistance:0.93Ω
Rated voltage: DC 224-336V
Rated current:0.236-0.288A
Rated frequency:50/60Hz
Rated power:41W
Rated voltage:29.4V±10%
Rated current:18A
Rated frequency:50Hz
Rated inductance:5.2mH±10%
Rated voltage:220-240V
Rated frequency:50/60Hz
Power :4.5/3.5W
P c i u t e r
47
Service diagnosis
Domestic air conditioner