Samsung AS09HPB, Service Manual

Page: 63 / 96

Samsung Electronics 12-6
Troubleshooting
12-5
12-2-5 Total current Trip error
1. Checklist :
1) Is the input power voltage proper?
2) Is the refrigerant charged properly?
3) Does the compressor rotate normally?(Reverse rotation, Locking etc.)
4) Dose the outdoor fan operate normally?(Fan propeller loss, Motor error etc.)
5) Is the installation condition of outdoor unit good?(Piping, Space etc.)
6) Is there no ventilation obstruction at the surrounding of outdoor?(Outdoor unit cover, Fan front obstruction etc.)
2. Troubleshooting procedure
Yes
Yes
Yes
Yes
Reinstall and remove the obstruction.
No
Is the installation of outdoor unit good?
Exchange the compressor.
No
Dose the compressor rotate normally?
Exchange the PCB.
No
Is the assembly of R418, R413, IC41, C437
and the peripheral part good?
Exchange the PCB.
No
Check again after assembly of PCB.
Pull out the power cord and exchange
the PCB from the case after 30 seconds.
Is the assembly of Micom and
peripheral circuit part good?
24437A(1)_1 1/16/05 9:58 PM Page 12-6