*AC UNIT IN COOLING MODE: THE COMPRESSOR AND OUTDOOR FAN STOP WHILE THE INDOOR FAN CONTINUES TO OPERATE.
*AC UNIT IN HEATING MODE: COMPLETE UNIT STOPS OPERATION.
REPAIR:
1) CHECK IF THE SYSTEM IS COOLING IN A HIGH HUMIDITY ENVIRONMENT, THUS THE TEMPERATURE DIFFERENCE OF HEAT TRANSFER IS SMALL
2) CHECK IF THE BIG AND SMALL VALVE OF OUTDOOR UNIT ARE OPENED COMPLETELY
3) CHECK IF THE EVAPORATOR TEMPERATURE SENSOR OF INDOOR UNIT IS LOOSE OR NOT. IF YES, PLEASE CONNECT PROPERLY
4) CHECK IF CONDENSER TEMPERATURE SENSOR OF OUTDOOR UNIT IS LOOSE OR NOT. IF YES, PLEASE CONNECT PROPERLY
5) CHECK IF THE CAPILLARY OR THE ELECTRONIC EXPANSION VALVE IS BLOCKED OR NOT. IF YES, PLEASE REMOVE BLOCKAGE
6) CHECK IF THE REFRIGERANT IS LEAKING. IF YES, PLEASE REPAIR THE LEAKAGE AND ADD REFRIGERANT IF NEEDED