Samsung NS035LDXEA Service Manual page 68

4-5-4 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) Does the outdoor fan operate normally?(Fan propeller loss, Motor error ect.)
5) Is the installation condition of outdoor unit good?(Piping, Space etc.)
6) Is there no ventilation obstruction at the surrounding of outdoor unit?(Outdoor unit cover, Fan front obstruction etc.)
7) Is there no ventilation obstruction at the surrounding of indoor unit?(Overload condition in heating mode)
2. Troubleshooting procedure
Is the installation of outdoor unit good?
Is the installation of indoor unit good?
Does the compressor rotate normally?
Are the service valves full opened?
Is AC power voltage normal during the
compressor in operation?
4-28
Yes
Yes
Yes
Yes
Yes
No
Reinstall and remove the obstruction
No
Reinstall and remove the obstruction
No
Exchange the compressor
No
Open valve screw to the end.
No
Check AC power source
Exchange INVERTER PCB
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