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Precaution in Service or Check
Even after stopping the operation of product, it takes some time to discharge the remaining electricity of the
electrolytic capacitor that was charged. Before starting a checking or repairing job, pull out the plug out of the
outlet and make sure that the lamp on the control board outdoor unit is off.
The Diagnosis Procedure
Check the blinking number of operation indicator (refer to the self-error function).
• Check the condition of connectors
• The condition of P.C.B pattern.
Check the supplied voltage to product (AC 220V/240V ± 30V).
Check the connecting cable between Indoor and Outdoor.
Check the self-diagnosis table
Indoor
Outdoor
• Check the condition of connectors.
• The condition of P.C.B pattern.
• The electronic components.
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Table of Contents
Troubleshooting
