ALL SYSTEMS OPERATE NORMALLY, WHILE THE OPERATION FREQUENCY FOR THE COMPRESSOR IS DECREASED.
REPAIR:
1) THE INPUT SUPPLY VOLTAGE IS NOT STABLE:
SOLUTION 1) CHECK IF THE SUPPLY VOLTAGE IS TOO LOW. IF YES, PLEASE ADJUST IT
2) THE EVAPORATOR AND CONDENSER ARE DIRTY:
SOLUTIONS 2) CHECK IF THE EVAPORATOR AND CONDENSER ARE DIRTY OR NOT. IF YES, PLEASE CLEAN IT
3) THE SYSTEM PRESSURE IS ABNORMAL OR THE REFRIGERANT IS EXCESSIVE:
SOLUTION 3) CHECK IF THE SYSTEM PRESSURE IS NORMAL OR NOT, AND CHECK THE REFRIGERANT LEVEL. IF YES, PLEASE ADJUST IT
4) THE OUTDOOR TEMPERATURE SENSOR IS BROKEN:
SOLUTION 4) CHECK IF THE TEMPERATURE SENSOR OF OUTDOOR UNIT IS OK OR NOT. IF THE SENSOR IS BROKEN, PLEASE REPLACE IT
5) THE OUTDOOR PCB IS BROKEN:
SOLUTION 5) REPLACE WITH A NEW CORRESPONDING OUTDOOR UNIT PCB
6) THE COMPRESSOR IS BROKEN:
SOLUTION 6) REPLACE WITH A NEW CORRESPONDING COMPRESSOR