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