Samsung NS035LDXEA Service Manual

Also see for DH070EAV1: User manual Installation manual

Contents

4-36 Samsung Electronics4-5-11 O.C.(Over Current) error1. Checklist :1) Is the refrigerant charged properly?2) Does the compressor rotate normally?(Reverse rotation, Locking etc.)3) Is connection of compressor wire normal?4) Is compressor motor normal?(Insulation, Coil resistance etc.)5) Does a temporary cycle overload condition happened?2. Troubleshooting procedureYesYesNoNoNoNoNoNoYesYesYesDoes the compressor wire connected to thecompressor normally?YesYesExchange the compressorReinstall and remove the obstructionIs the installation of outdoor unit good?Reinstall and remove the obstructionIs the installation of indoor unit good?Open valve screw to the end.Are the service valves full opened?Correct the compressor wire connectionIs insuration resistance between eachcompressor terminal and body normal?Exchange INVERTER PCBNoDoes the compressor rotate normally?Did AC power voltage interruption happenduring the compressor in operation?Exchange the compressorCheck AC power source