Samsung AC030JN4DCH Service Manual page 57

1. Test Item
1) Check the power supply / Check the restart-up after power is reset.
2) Check the compressor and the state of the compressor wire assembling.
3) Check the fault of the single compressor wire.
2. Check procedure
30 seconds after power off, power on.
Check power. /
Check the restart-up after power is reset.
1. Is there any problem in input power?
(Single-phase: 220Vac, 3-phase: 380Vac)
2. Does the error occur again after power rest?
Check the compressor
of the compressor wire assembling.
1. Do the inter-phase resistance values of
the compressor coincide?
(U
2. Are the wires on the compressor correctly connected?
(Non-connection, wrong connection)
3. Is there abnormal noise
in the rotation of the compressor?
s the resistance between
the compressor body and the chassis
Samsung Electronics
Yes
and the state
V, U W, V W)
Yes
Mega Ω?
Yes
Continued
No
1. Compressor replacement: If the inter-phase
resistance values of the compressor are
different.
normal startup.
2. Wire reassembling: If there is a fault in the
No
connection of the wires of the compressor
Power is on.
End the service.
3. Compressor replacement: Serious abnormal
noise (Metallic scraping or grinding noise),
serious vibration
No
Replace the compressor.
Troubleshooting
End the service.
Power is on. Check the
End the service.
Check the normal startup.
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