Troubleshooting
Samsung Electronics
4-35
&SSPSPGVOEFSDVSSFOUFSSPS1'$PWFSDVSSFOU
&SSPS$PEF&&
1. Test Item
1) Check the power supply. / Check the re-startup after the power is reset.
2) Check the outdoor unit installation environment.
ױ
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
Yes
Check the outdoor unit installation environment.
ױ
Check everything is normal at re-start.
ױ͑
End the service.
1. Check for wire disconnection of the inverter
PBA of the outdoor unit.
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.
Check the indoor unit installation
environment.
ױ
Check everything is normal at
re-start.
ױ͑
End the service.
1. Remove the obstacles of the inlet and
secure the space.
2. Remove the obstacles of the outlet and
secure the space.
No
Has the outdoor unit been correctly installed?
After replacing the inverter PBA of the outdoor unit, check
normal startup.
ױ͑
End the service.
Yes
No
Has the indoor unit been correctly installed?
Yes
Replace the compressor.
No
Yes
30 seconds after power off, power on.
Open the valve.
No
Has the service valve been completely open?
Error Code
Description
Model
E462
Error of the outdoor unit
under-current
RC
6666
HX
66
,
AC
666
FCA
666
E484
Error of the outdoor unit
PFC over-current
Limited to RC
6666
HXE
6
,
RC
6666
HXB
6
,
AC
666
FCA*EH
Does the compressor work correctly?
[RC
6666
HXG
6
, RC
6666
HXH
6
, AC100FCA
6
GH:
Checking wire disconnection]
[RC072DHXB
6
: Checking wire disconnection]
[RC090/100/125/140
6
HXE
6
, RC100DHXB
6
,
AC
666
FCA
6
EH: Checking wire disconnection]
