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4
Only Compressor Do not Run
- Check the following at cooling mode
Check the voltage between
Y
Check the voltage between
Y
Check the magnetic contactor
Check the wiring of outdoor unit
Check the compressor
(Check the winding resistance)
Check the compressor capacitor
N
of outdoor unit terminal
Rating voltage more than 90%
N
of indoor unit terminal
Rating voltage more than 90%
OK
Rating voltage
and
less than 90%
Rating voltage
and
less than 90%
NG
Open or Short
40
Check the connecting
wire between indoor
and outdoor.
Check the control P.C.B
the circuit for relay
driving.
Change the magnetic
contactor.
Change the
compressor.
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