Daewoo DWC-121R Service Manual page 20

Only Compressor Do not Run
- Check the following at cooling mode
Check the voltage between "POWER
"RL1
Check the compressor wiring
Check the Relay(RL1)
Check the wiring of outdoor unit
Check the compressor
(Check the winding resistance)
Check the compressor capacitor
and
3
" of Main P .C.B
Rating voltage more than 90%
Rating voltage more than 90%
OK
1
"
Rating voltage
less than 90%
Rating voltage
less than 90%
NG
Open or Short
19
Check the Main P .C.B
the circuit for relay
driving.
Check the connecting
wire between Main
P .C.B and the
compressor
Change Relay(RL1)
Change the
compressor.