31
- Check the following at cooling mode
Check the voltge between and
of indoor unit terminal
Y
L
Check the voltge between and
of outdoor unit terminal
Y
L
Check the wiring of outdoor unit
Check the compressor
(Check the winding resistance)
Check the compressor capacitor
Check the connecting
wire between indoor
and outdoor.
Change the control
P. C. B
Change the
compressor.
Check the control P.C.B
the circuit for relay
driving.
Rating voltage
less than 90%
NG
Open or Short
Rating voltage
less than 90%
Rating voltage more than 90%
Rating voltage more than 90%
OK
Only Compressor Do not Run
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