Samsung AC030JN4DCH Service Manual page 61

(Continued)
Has the service valve been completely
Are the connections of the compressor
correctly connected with the compressor?
Check the compressor.
1. Do the inter-phase resistance values of the
compressor coincide?
(U
2. Are the wires on the compressor correctly
connected? (Non-connection, wrong
3. Is there abnormal noise in the
rotation of the compressor?
Is the resistance between the compressor
body and the chassis Mega Ω?
Are the position and measuring value of
the temperature sensor normal?
Samsung Electronics
Continued
opened?
Yes
V, U W, V W)
connection)
Yes
Yes
Yes
Continued
No
No
Check the state of the connection
1. Compressor replacement: If the interphase
resistance values of the compressor are
different.
normal startup.
No
2. Wire reassembling: If there is a fault in the
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.
No
correct or replace the sensor position.
Troubleshooting
Open the valve.
of the compressor.
Power is on. Check the
End the service.
Check the normal startup.
After power is off,
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