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Error code

Mitsubishi Electric PQHY code 1102

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

Abnormal discharge air temperature: 1.If the discharge temperature of 120°C [248°F] or more is detected during the above operation (the first detection), the heat source unit stops once, turns to anti-restart mode for 3 minutes, and restarts after 3 minutes automatically. 2.If the discharge temperature of 120°C [248°F] or more is detected again (the second detection) within 30 minutes after the second stop of the heat source unit described above, the mode will be changed to 3-minute restart mode, then the heat source unit will res | Abnormal discharge air temperature: 1.If the discharge temperature of 120 °C[248°F] or more is detected during the above operation (the first detection), the heat source unit stops once, turns to anti-restart mode for 3 minutes, and restarts after 3 minutes automatically. 2.If the discharge temperature of 120 °C[248°F] or more is detected again (the second detection) within 30 minutes after the second stop of the heat source unit described above, the mode will be changed to 3-minute restart mode, then the heat source unit will res

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Possible causes

(8) Gas leak between low and high pressures (4-way valve failure, compressor failure, solenoid valve (SV1) failure) (9) Thermistor failure (TH1) (10) Input circuit failure on the controller board thermistor (4) BC controller LEV malfunction Cooling only : LEV3 Cooling main : LEV1,2,3 Heating only or heating main : LEV3 Defrost : LEV3 (5) BC controller SVM1 and 2 malfunction -> Cooling only (6) BC controller SVA malfunction -> Cooling only or cooling main (7) BC controller SVB malfunction -> Heating only or heating main (8) Solenoid valve SV malfunction (4a-4d): heating only, heating main (9) Port address setting error. (12) Gas leak between low and high pressures(4-way valve failure, compressor failure, solenoid valve SV1 failure) (13) Thermistor failure (TH11) (14) Input circuit failure on the controller board th

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.