Error code

Mitsubishi Electric PUZ code 4400

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: mains voltage and 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

Detailed: The outdoor fan motor is considered to be abnormal if the rotational frequency of fan motor is abnormal when detected during operation. Fan motor rotational frequency is abnormal if; • 100 rpm or below detected continuously for 15 seconds at 68˚F [20:] or more outside air temperature • 50 rpm or below or 1500 rpm or more detected continuously for 1 minute. To find out the detail history (latest) codes Refer to "10-10. FUNCTION OF SWITCHES, Overvoltage error • Increase in DC bus voltage to 400 V

Member details

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Possible causes

(1) Abnormal increase in power source voltage (2) Disconnection of compressor wiring (3) Defective outdoor power circuit board (4) Compressor has a ground fault.

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.