*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 DRIVE BOARD IS DAMAGED. IF YES, PLEASE REPLACE THE DRIVE BOARD
2) CHECK IF THE MAIN BOARD OF OUTDOOR UNIT IS DAMAGED. IF YES, PLEASE REPLACE THE OUTDOOR UNIT PCB
3) CHECK IF THE DRIVE BOARD AND MAIN BOARD ARE WELL CONNECTED OR NOT. IF NOT, PLEASE FIX THE CONNECTION