*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) SUPPLY VOLTAGE IS UNSTABLE:
SOLUTION 1) CHECK IF THE POWER VOLTAGE IS STABLE OR NOT. IF NOT, PLEASE ADD A VOLTAGE REGULATOR
2) WRONG WIRING CONNECTION OF INDOOR UNIT:
SOLUTION 2) RECONNECT THE WIRING
3) PROTECTIVE TUBE IS MALFUNCTIONING:
SOLUTION 3) REPLACE IT WITH A NEW CORRESPONDING PROTECTIVE TUBE
4) TRANSFORMER IS MALFUNCTIONING:
SOLUTION 4) REPLACE IT WITH A NEW CORRESPONDING TRANSFORMER
5) THE PCB IS MALFUNCTIONING:
SOLUTION 5) REPLACE IT WITH A NEW CORRESPONDING PCB