*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) SUDDEN CHANGE OF SUPPLY VOLTAGE OF ELECTRIC NET:
SOLUTION 1) CHECK IF THE SUPPLY VOLTAGE IS NOT STABLE. PLEASE ADD A VOLTAGE REGULATOR. ALSO CHECK THE QUALITY OF POWER GRID
2) SHORT CIRCUIT OF ELECTRIC REACTOR OF PFC INDUCTANCE:
SOLUTION 2) REPLACE WITH A NEW CORRESPONDING PCB (SINGLE PCB)
3) THE PCB IS MALFUNCTIONING
SOLUTION 3) REPLACE WITH A NEW CORRESPONDING PFC MODULE (MULTIPLE PCBS)
4) THE REACTOR IS MALFUNCTIONING:
SOLUTION 4) CHECK THE WIRING. IF NEEDED, REPLACE WITH A NEW CORRESPONDING REACTOR
5) THE INDUCTION IS BROKEN:
SOLUTION 5) REPLACE WITH A NEW CORRESPONDING INDUCTION
6) CHECK THE INDOOR AND OUTDOOR HEAT EXCHANGER:
SOLUTION 6) CHECK IF THE INDOOR AND OUTDOOR EXCHANGER IS TOO DIRTY, AND IF THE AIR INLET/OUTLET IS BLOCKED OR NOT