Tianjin panasonic air conditioning fault code

When there is a fault in Tianjin panasonic air conditioning, the corresponding fault code is often displayed. The following are common panasonic air conditioning fault codes and possible causes:

1.U 1: The voltage is too high or too low, which may be caused by power socket problems or power grid voltage fluctuations.

2.U2: The indoor temperature sensor is abnormal or the indoor temperature is too high.

3.U3: The indoor and outdoor communication is abnormal, which may be a line fault or a communication module problem.

4.U4: The drainage of outdoor unit is abnormal or the water pump is out of order, so it may be necessary to clean or replace the drainage pipe or water pump.

5.U5: The communication between indoor and outdoor sensors is abnormal, which may be a line fault or a sensor fault.

6.U6: compressor overheating protection, which may be due to insufficient refrigerant or condenser failure.

7.U7: Timing switch is wrong, which may be the fault of the control panel or timer.

8.U8: If the indoor coil temperature is abnormal or the indoor electronic expansion valve fails, it may be necessary to replace the indoor coil or electronic expansion valve.

The above are some common Tianjin panasonic air conditioning fault codes and their possible causes. Users can investigate and solve according to the actual situation. If you are not sure how to handle it, please contact professional maintenance personnel.