*AC UNIT IN COOLING/DRY MODE: THE INDOOR FAN WILL CONTINUE TO OPERATE, WHILE THE COMPRESSOR AND OUTDOOR FAN STOP OPERATION.
*AC UNIT IN HEATING MODE: COMPLETE UNIT STOPS OPERATION.
REPAIR:
1) POOR CONTACT/CONNECTION OF INDOOR TEMPERATURE SENSOR:
SOLUTION 1) CHECK IF THE SENSOR WIRE PLUG IS LOOSE FROM THE PCB OR NOT. IF YES, INSERT THE TEMPERATURE SENSOR WELL
2) DEFECT OF TEMPERATURE SENSOR PART(S):
SOLUTION 2) REPLACE PART(S) OF TEMPERATURE SENSOR CIRCUIT
3) THE RESISTANCE OF TEMPERATURE SENSOR DEVIATES/DAMAGED:
SOLUTION 3) CHECK IF THE RESISTANCE OF TEMPERATURE SENSOR DEVIATES
4) USE OF WRONG TEMPERATURE SENSOR:
SOLUTION 4) CHECK IF A WRONG TEMPERATURE SENSOR HAS BEEN USED. IF YES, USE THE CORRECT SENSOR
5) SHORT CIRCUIT BETWEEN TEMPERATURE SENSOR AND SHELL OR COPPER TUBE:
SOLUTION 5) CHECK IF THERE IS A SHORT CIRCUIT BETWEEN TEMPERATURE SENSOR AND SHELL OR COPPER TUBE
6) THE RESISTANCE OF TEMPERATURE SENSOR CIRCUIT DEVIATES OR CREEPAGE OF CAPACITANCE:
SOLUTION 6) REPLACE RESISTANCE OF TEMPERATURE SENSOR CIRCUIT OR CAPACITANCE
7) THE CONTROLLER CHIP IS ABNORMAL:
SOLUTION 7) REPLACE THE CONTROLLER
8) MAIN BOARD OF INDOOR UNIT IS DAMAGED:
SOLUTION 8) REPLACE MAIN BOARD OF INDOOR UNIT