*AC UNIT IN COOLING MODE: THE COMPRESSOR AND OUTDOOR FAN STOP OPERATING.
*AC UNIT IN HEATING MODE: ALL LOADS STOP OPERATION.
REPAIR:
1) CHECK IF THE WIRE OF RF MODULE IS WELL CONNECTED OR NOT. IF NOT, PLEASE FIX THE WIRE CONNECTION
2) CHECK IF THE RF MODULE HAS A DEFECT. IF YES, PLEASE REPLACE THE RF MODULE