Samsung AC018JN4DCH/AA Service Manual page 74

Troubleshooting
Continued
1. Are the wires of the compressor
correctly assembled in colors:
U: RED, V: BLU, and W: YEL?
Check for disconnections of PBA and COMP.
2. Is the terminal in the compressor wire
housing firmly assembled?
3. Is there any fault of part of
the compressor wires in deviation
or secession?
: After replacing the inverter PBA of the
outdoor unit, check normal startup.
End the service.
E461, E467 Error-related, EMI / outdoor unit Main / Indoor unit Main PBA do not replace!
This error is related to the compressor and Inverter PBA. (Not related to the above PBA)
Because it is an error regarding the inverter PBA, it is not related to the aforementioned PBA.
Ensure that the service valve is open!
While the service valve is closed and the COMP. starts, it is possible to cause a fault due to
differential pressure.
4-34
(Continued)
Yes
Yes
1. Replace the compressor wire.
No
Check normal startup.
2. Replace the compressor wire.
Check normal startup.
W
V
U
[RC HXG ,
RC HXH ,
AC100FCA GH]
PBA connecting connector
Power is on.
End the service.
Power is on.
End the service.
W
V
U
[RC090/100/125/140/145
AC FCA ]
V
W
W
V
U
U
COMP connecting connector
[RC072DHXB ]
Samsung Electronics
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