53

Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE P8

Solution: MULTIPLE SOLUTIONS

Cause: MODULE OVERHEATING PROTECTION

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 WIRE CONNECTION OF THE RADIATOR IS NOT OK (LOOSE):

SOLUTION 1) CHECK IF THE RADIATOR OF THE PCB IS WELL INSTALLED OR NOT. IF NOT, PLEASE ADJUST CONNECTION

2) THE SILICONE GREASE IS NOT ENOUGH:

SOLUTION 2) CHECK IF THE SILICONE GREASE IS DRY OR NOT. IF YES, PLEASE ADD EXTRA SILICONE GREASE

3) THE PCB IS MALFUNCTIONING:

SOLUTION 3) REPLACE IT WITH A CORRESPONDING PCB OF OUTDOOR UNIT

4) CONDENSER OF OUTDOOR UNIT IS BLOCKED:

SOLUTION 4) CHECK IF THE CONDENSER OF OUTDOOR UNIT IS BLOCKED BY DIRT. IF YES, PLEASE CLEAN IT

5) AIR INLET/OUTLET OF OUTDOOR UNIT IS BLOCKED:

SOLUTION 5) CHECK IF THE AIR INLET/OUTLET OF OUTDOOR UNIT IS BLOCKED BY DIRT. IF YES, PLEASE CLEAN IT