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B. Circuit breaker trips in several minutes after turning the air conditioner on.
● There is a possibility of short circuit.
•
Check capacity of circuit breaker.
Capacity of circuit breaker is
suitable.
Measure resistance of outdoor fan
•
motor winding.
•
Measure resistance of compressor
motor winding.
5-2-2.
5-2-2.
6-2-2. Neither indoor nor outdoor unit runs.
A. Power is not supplied.
• Check power supply.
Power is being supplied to the
indoor unit.
Check PUSH BUTTON in the indoor unit
B. Check "OPERATION selector" switch in the indoor unit.
Press the PUSH BUTTON switch
• OPERATION selector switch is set
in ON position.
Neither the indoor nor the outdoor
Set OPERATION selector switch
to ON.
units run
NO
NO
YES
NO
Replace with suitable
one (larger capacity).
In case of Heating operation :
• Measure resistance of 4-way valve's
winding.
Circuit breaker
is tripped.
Power failure
Indoor PCB Ass'y is defective.
24
Reset breaker.
Wait for recovery
or contact power
company.
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