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Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE L3

Solution: MULTIPLE SOLUTIONS

Cause: MALFUNCTION OF OUTDOOR FAN/MALFUNCTION OF DC MOTOR

Remarks:

DESCRIPTION:

*AC UNIT IN COOLING/DRY MODE: ALL LOADS STOP OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE.

*AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.

REPAIR:

1) WIRING IS UNRELIABLE:

SOLUTION 1) CHECK THE WIRE CONNECTIONS AND RECONNECT IF NECESSARY

2) THE OUTDOOR DC FAN IS BLOCKED/LOOSE/DAMAGED:

SOLUTION 2) CHECK IF THE FAN IS BLOCKED/LOOSENED. PLEASE REMOVE BLOCKAGE IF NEEDED. IF THERE IS NO BLOCKAGE, REPLACE THE FAN WITH A NEW CORRESPONDING FAN MOTOR

3) OUTDOOR PCB IS DAMAGED:

SOLUTION 3) REPLACE IT WITH A NEW CORRESPONDING ELECTRIC BOX OF OUTDOOR UNIT

4) OUTDOOR CONDENSER AIR INLET/OUTLET IS NOT OK:

SOLUTION 4) CHECK IF THE AIR INLET/OUTLET IS BLOCKED BY ANYTHING (FILTH/DIRT, ETC.). IF NEEDED, PLEASE REMOVE BLOCKAGE