48

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

Solution: MULTIPLE SOLUTIONS

Cause: STARTUP FAILURE

Remarks:

DESCRIPTION:

*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE.

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

REPAIR:

1) THE WIRING OF THE COMPRESSOR IS NOT OK:

SOLUTION 1) CHECK IF THE WIRING OF THE COMPRESSOR IS CONNECTED PROPERLY OR NOT

2) THE SYSTEM PRESSURE IS NOT OK:

SOLUTION 2) CHECK IF THE SYSTEM PRESSURE IS OK OR NOT. IF NOT, PLEASE ADJUST IT

3) THE REFRIGERANT IS EXCESSIVE:

SOLUTION 3) CHECK IF THE REFRIGERANT IS TOO EXCESSIVE. IF YES, PLEASE ADJUST TO CORRECT AMOUNT

4) THE CONTROLLER IS ABNORMAL:

SOLUTION 4) REPLACE IT WITH A NEW CORRESPONDING OUTDOOR UNIT PCB

5) DEFECT OF THE COMPRESSOR:

SOLUTION 5: REPLACE IT WITH A NEW CORRESPONDING COMPRESSOR

6) SOMEONE TURNS OFF THE UNIT AND THEN TURNS IT BACK ON BEFORE THE COMPRESSOR STOPPED FOR 3 MINUTES

SOLUTION 6) CHECK IF THE STOP DURATION OF THE COMPRESSOR IS LONGER THAN 3 MINUTES