*AC UNIT IN COOLING MODE: THE COMPRESSOR WILL STOP WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE.
*AC UNIT IN HEATING MODE: ALL LOADS STOP OPERATION.
REPAIR:
1) THE TUBE TEMPERATURE SENSOR OF INDOOR UNIT HAS A DEFECT:
SOLUTION 1) CHECK IF THE TUBE TEMPERATURE SENSOR OF INDOOR UNIT IS NORMAL. IF NOT, TRY TO REPLACE THE TUBE TEMPERATURE SENSOR
2) FAN SPEED OF INDOOR UNIT IS LOW:
SOLUTION 2) CHECK IF THE FAN MOTOR OF INDOOR UNIT IS BROKEN. IF YES, REPLACEMENT IS NEEDED
3) THE ENVIRONMENT OF AIR RETURN IS POOR:
SOLUTION 3) CHECK IF THE EVAPORATOR AND CONDENSER ARE DIRTY OR NOT. IF YES, PLEASE CLEAN FOR BETTER AIR RETURN