*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE.
*AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.
REPAIR:
1) THE INPUT SUPPLY VOLTAGE IS NOT STABLE:
SOLUTION 1) MEASURE THE VOLTAGE BETWEEN POSITION L AND POSITION N ON THE WIRING BOARD (XT). IF IT’S HIGHER THAN 265 VAC, PLEASE TURN ON THE UNIT UNTIL THE POWER VOLTAGE DECREASED TO THE NORMAL RANGE
2) DEFECT OF OUTDOOR UNIT CONTROLLER:
SOLUTION 2) IF THE AC INPUT IS NORMAL, PLEASE REPLACE THE OUTDOOR UNIT PCB