Error code

Mitsubishi Electric PQHY/PQRY code 4220

For your safety

This fault is rated high and involves an area that affects personal safety. 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

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

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

All emergency numbers and province details

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

Meaning

Abnormal bus voltage drop (Detail code 108): If Vdc 437V or less is detected during Inverter operation. (S/W detection) | Abnormal bus voltage rise (Detail code 109): If Vdc 1010V is detected during inverter operation. | Logic error (Detail code 111): H/W error If only the H/W error logic circuit operates, and no identifiable error is detected. | Low bus voltage at startup (Detail code 131): When Vdc 437V is detected just before the inverter operation.

Member details

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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.