8.Maintenance
8.1 Error code
Inspection
malfunction
of ambient
temperature
Compressor and fan
motor stop. Buttons are
invalid.
1.Connection of temperature/humidity sensor is poor
2.Temperature/humidity sensor is damaged
3.Display board is damaged
Humidity
inspection
malfunction
malfunction
of tube
temperature
sensor
1. Temperature sensor on the evaporator is loosen or is
poorly connected with the terminal of
display board.
2. Some element of display board may have been put
upside down and cause short circuit.
3.
Temperature sensor on the evaporator is
damaged (Please refer to Checking Table for
Temperature Sensor Resistance).
4.
Display board is damaged.
The compressor
stops and fan motor
keeps on running.
Buttons are invalid.
1.Refrigerant is leaking.
2.System is blocked.
1.Ambient operation condition is bad.
2.The evaporator and condenser are blocked with filth.
3.The system is abnormal.
1.
Relay is short-circuited or broken-circuited;
2.
Operation environment condition is formidable high
temperature and high humidity.
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