1. Electronic expansion valve check / Low pressure does not drop. / Electronic expansion valve wiring malfunction / Check knocking sound of the coil Disconnect and connect the coil connector.
2. Electronic expansion valve check / Low pressure does not drop. / Electronic expansion valve coil failure. / Check knocking sound of coil.
3. Electronic expansion valve check / Low pressure does not drop. / Hot gas bypass solenoid valve / Touch the outlet line of solenoid valve.
4. Electronic expansion valve check / Low pressure does not drop./ Leakage of discharge gas bypass solenoid valve leaking / Touch the outlet line of the solenoid valve.
2. Electronic expansion valve check / Low pressure does not drop. / Electronic expansion valve coil failure. / Check knocking sound of coil.
3. Electronic expansion valve check / Low pressure does not drop. / Hot gas bypass solenoid valve / Touch the outlet line of solenoid valve.
4. Electronic expansion valve check / Low pressure does not drop./ Leakage of discharge gas bypass solenoid valve leaking / Touch the outlet line of the solenoid valve.
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