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What is the fault of Midea air conditioner e3? Introduction of midea air conditioner fault.

E3 refrigeration overload protection, that is, the internal evaporator is frozen.

Reason:

1, the possibility of rats biting off the induction line is over 60%, especially in public places such as restaurants.

2, the internal machine filter screen is dirty and blocked, and the possibility is more than half.

3. The decrease of internal fan capacity leads to the decrease of internal fan speed.

4. The back of the internal evaporator is too dirty, which causes the evaporator not to be ventilated.

5, sensor resistance drift.

Solution:

1. The E3 code of Midea is that there is something wrong with the feedback line of PG motor.

2. Remove the shell of the internal machine and check it. The wires of the internal fan should be broken or not.

3. Just disconnect and reconnect. If it is damaged at the root of the internal fan, the internal fan must be replaced.