Error code

Mitsubishi Electric PQRY code 1111

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

Low pressure saturation temperature sensor abnormality (TH2) trouble temperature saturation pressure Low: 1. 2. When -40¡C or less temp. is detected again (the second time) within 30 minutes after stop of heat source unit, error stop is observed with code Nos. 1111 displayed. 3. When -40¡C or less temperature is detected 30 or more minutes after stop of heat source unit, the stop is regarde

Member details

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Possible causes

(1) Gas leak, Gas shortage. (2) Insufficient load operations. (3) Poor operations of indoor LEV. (4) Poor operations of BC controller LEV: Cooling-only : LEV3 Cooling-main : LEV1, 3 Heating-only, Heating-main: LEV3 (5) Poor operations of BC controller SVM: Cooling-only, Defrost (6) Poor operations of BC controller SVM: Cooling-only, Cooling-main (7) Poor operations of BC controller SVB: Heating-only, Heating-main (8) Solenoid valve trouble (SV3 ~ 6, SV73). Heating-only, Heating-main (9) Setting error of connection address. 10)Poor operations of ball valve. 12)Clogging of indoor unit filter. 13)Fall in air volume caused by dust on indoor unit fan. 14)Dust on indoor unit heat exchanger. 15)Indoor unit block, Motor trouble. 9)~14) : Fall in low pressure caused by evaporating capacity in cooling-only cooling-principal operation. 17)Dust on outdoor heat exchanger. 18)Indoor unit fan block, motor trouble, and poor operations of fan controller. 15)~17) : Fall in low press. caused by lowered evaporating capa-city in heating-only heating-principal operation. 19)Poor operations of solenoid valve SV2. 20)Thermistor trouble (TH2~TH10). 21)Pressure sensor abnormality. 22)Control circuit board thermistor abnormality and pressure sensor input circuit abnormality. 23)Poor mounting of thermistor (TH2~TH10).

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.