Troubleshooting
4-42 Samsung Electronics
(BTMFBLBHFFSSPS&SSPS$PEF&
1. Test items
1) Check the power connection. / Check the restart after power reset.
ĺ Is there a fault in input power? (Single-phase : 220Vac, 3-phase : 380Vac)
ĺ Does error occu
r again at operation after power is reset?
2) Check the compressor and the state of compressor wire assembling.
3) Check the outdoor unit installation environment.
ĺ Check
for disconnection of the wires regarding the Inverter PCB of the outdoor unit and check the installation environment.
ĺ At the site where several units were installed at the s
ame time, check whether communication wire and pipes have been wrongly connected!
2. Check procedure
Yes
Power on 30 seconds after power off.
End the service.
No
Power on 30 seconds after power off.
1. Replace the compressor : If the resistance
value between phases of the compressor is
different.
ĺ Power on.ĺ Check the normal operation.
ĺ End the service.
2. Reassemble wire : If the wire connection of
the compressor is wrong.
ĺ Power on. ĺ Check the normal operation.
ĺEnd the service.
3. Replace the compressor : When loud
abnormal noise generates (metal cutting or
grinding noise), or severe vibration.
No
Yes
Install again by following the standard
specifications.
No
Yes
Continue
Check the compressor
and its connecting wires.
1. Are all the resistance values between phases
matched? (U ļ V, U ļ W, V ļ W)
2. Is compressor wiring normal?
(disconnection, wrong connection)
3. Is there any
abnormal
noise from compressor
rotation?
Is indoor and outdoor unit wiring/piping
installed properly?
Bad installation
Piping
Wiring
ཱི
To Next Page
Loading...
