4-21 Samsung ElectronicsTroubleshooting4-5-4 Total current trip error1. 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 procedureYesYesYesYesYesIs 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 duringthecompressor in operation?Reinstall and remove the obstructionReinstall and remove the obstructionExchange the compressorOpen valve screw to the endCheck AC power sourceExchange INVERTER PCBNoNoNoNoNoNS090SDXEA_E_SM_33623A(1)_1.indd 21 2011-04-08 �� 10:55:29
