39
5.4.23P11 High evaporator temperature protection
Description: Indoor unit evaporator temperature (T2) is higher than 65℃.
Possible reason:
Abnormal T2 temperature sensor
Faulty 4-way valve
Bad ventilation
Refrigerant is not enough
Troubleshooting and repair:
a) Measure the resistance of T2 sensor
b) Check the 4-way valve connection. If unit is in heating mode, there is a 220V output in 4-way
valve port.
c) Check if evaporator is too dirty.
d) Confirm the refrigerant volume.
To Next Page
Loading...
