Samsung AC030JN4DCH Service Manual page 60

Troubleshooting
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.
At the site where several units were installed at the same time, check whether communication connections and pipes have been wrongly connected!
3) Check the indoor unit installation environment.
4) Check the opening of the service valve.
5) Check the compressor and the state of the compressor wire assembling.
6) Check for fault of the single compressor wire.
2. Check procedure
30 seconds after power off, power on.
Has the outdoor unit been correctly installed?
Has the indoor unit been correctly installed?
Have the pipes and wires of indoor and
outdoor units been correctly installed?
Continued
4-34
Yes
Yes
Yes
Check the outdoor unit installation
environment.
re-start
1. Check the wire disconnection of the inverter
PBA of the outdoor unit.
2. Remove the obstacles of the suction pipes
No
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
normal at 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
Re-install correctly under the product
Pipe
Wire
Check everything is normal at
End the service.
[RC090/100/125/140 HXE , RC100DHXB ,
AC FCA EH: Checking wire disconnection]
Check everything is
End the service.
specifications.
Poor installation
Samsung Electronics