Troubleshooting
4-38 Samsung Electronics
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1. Connect the screws of the terminal block
with the power cable. ױCheck normal
startup. ױ End the service.
2. Connect the terminal of the power terminal
box and the power
cable. ױ Check normal
startup. ױ End the service.
Replace the fuse.
Yes
Yes
No
After replacing the inverter PBA of
the outdoor unit, check normal startup.
ױ End the service.
Check the terminal block and
the power terminal box.
1. Is the screw of the terminal block firmly assembled?
2. Are the power cable of the power terminal
box and the termina
l firmly
assembled?
Is the fuse of the EMI PBA disconnected?
[RC6666HXG6, RC6666HXH6,
AC100FCA6GH]
[RC072DHXB6]
Continued
Yes
Yes
[RC090/100/125/1406HXE6,
RC1006HXB6, AC666FCA6EH]
(Short-Normal, Open-Fault)