4-30
Samsung Electronics
MEMO
4-5-11 O.C.(Over Current) error
1. 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 procedure
�es
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No
No
No
No
No
No
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Does the compressor wire connected to the
compressor normally?
�es
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Exchange the compressor
Reinstall and remove the obstruction
Is the installation of outdoor unit good?
Reinstall and remove the obstruction
Is the installation of indoor unit good?
Open valve screw to the end.
Are the service valves full opened?
Correct the compressor wire connection
Is insuration resistance between each
compressor terminal and body normal?
Exchange INVERTER PCB
No
Does the compressor rotate normally?
Did AC power voltage interruption happen
during the compressor in operation?
Exchange the compressor
Check AC power source
Summary of Contents for CH070EAV1
Page 40: ...3 22 Samsung Electronics MEMO...
Page 88: ...Product Specifications 5 10 Samsung Electronics 5 4 Assy control out UH090 105 140EAV...
Page 90: ...Product Specifications 5 12 Samsung Electronics UH070EAV1...
Page 92: ...5 14 Samsung Electronics MEMO...
Page 99: ...Samsung Electronics 6 7 6 1 5 OUTDOOR DISPLAY PCB...
Page 100: ...6 8 Samsung Electronics MEMO...
