Error code

Mitsubishi Electric MXZ code 4230

For your safety

This fault is rated critical. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: refrigerant gas circuit

If there is a risk to life, first move to a safe place, then call 112. Do not follow remote repair instructions.

Call 112

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

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No approved translation for this record yet; showing the original text.

Meaning

2 When the detected pressure is 1MPa or less at just before of restarting, the compressor stops abnormally. In this time, <U4> is displayed. 3 For 3 minutes after the compressor stops, the unit delays to abnormal stop. Then, the outdoor unit address No. 4 For 3 minutes after starting compressor, for defrosting or for 3 minutes after recovery from defrosting, abnormality is not determined as abnormality. Abnormal temperatu

Member details

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Possible causes

(2) Internal pressure decrease by gas leakage (3) Connector contact failure disconnection (4) Controller board input circuit failure (1) The outdoor fan motor is locked. (2) Failure of outdoor fan motor (3) Air flow path is clogged. (4) Rise of ambient temperature (5) Defective thermistor (6) Defective input circuit of outdoor power circuit board (7) Failure of outdoor fan drive circuit

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.