Samsung AC071JN4CEH Service Manual page 75

1. Test Item
1) Check the power supply. / Check the re-startup after the power is reset.
2) Check the outdoor unit installation environment.
Check the disconnection of the wires regarding the inverter PBA of
the outdoor unit and check the installation environment.
3) Check the indoor unit installation environment.
4) Check the opening of the service valve.
2. Check procedure
30 seconds after power off, power on.
Has the outdoor unit been correctly installed?
Has the indoor unit been correctly installed?
Has the service valve been completely open?
Does the compressor work correctly?
After replacing the inverter PBA of the outdoor unit, check
normal startup.
Samsung Electronics
Yes
Yes
Yes
Yes
End the service.
Error Code Description
Error of the outdoor unit
E462
under-current
Error of the outdoor unit
E484
PFC over-current
Check the outdoor unit installation environment.
Check everything is normal at re-start.
End the service.
1. Check for wire disconnection of the inverter
PBA of the outdoor unit.
No
2. Remove the obstacles of the inlet of the
outdoor unit and secure the space.
3. Remove the obstacles of the outlet of the
outdoor unit and secure the space.
[RC HXG , RC HXH , AC100FCA GH:
Checking wire disconnection]
[RC072DHXB : Checking wire disconnection]
Check the indoor unit installation
environment.
No
re-start.
1. Remove the obstacles of the inlet and
secure the space.
2. Remove the obstacles of the outlet and
secure the space.
No
No
Troubleshooting
Model
RC HX ,
AC FCA
Limited to RC HXE ,
RC HXB ,
AC FCA*EH
[RC090/100/125/140 HXE , RC100DHXB ,
AC FCA EH: Checking wire disconnection]
Check everything is normal at
End the service.
Open the valve.
Replace the compressor.
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