Error code

Mitsubishi Electric klima code U8

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

Outdoor fan motor Abnormal if the rotational frequency of fan motor is not detected during DC fan motor operation. Fan motor rotational frequency is abnormal if; • 100 rpm or below detected continuously for 15 seconds at 68˚F [20°C] 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) Detailed Refer to "10-10. FUNCTION OF SWITCHES, codes Overvoltage error • Increase in DC bus voltage to: A12, 18N: 400 V

Member details

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Possible causes

Abnormal increase in power source voltage Disconnection of compressor wiring Defective outdoor power circuit board 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.