Error code

Mitsubishi Electric klima code 1112

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Meaning

Liquid level sensing temperature sensor abnormality (TH4) (Outdoor fault unit) temperature saturation: tection), the outdoor unit is temporarily stopped and it enters the re-start prohibit mode for 3 minutes after which it is started. 2 40°C If – or more is detected again within 30 minutes of the stopping of the outdoor unit, (2nd detection), the outdoor unit is temporarily stopped again and it enters the re-start prohibit mode for 3 minutes after which it is started. 3 40°C If – or more is detected again within 30 minutes of the outdoor unit being stopped (3rd detection), an error stop is perfor

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Possible causes

(3) Defective operation of indoor operation LEV. (4) Defective operation of outdoor opera- → tion LEV1 Cooling (5) Defective operation of solenoid valve → SV5b Heating. Defective operation of 4-way switch- → ing valve 21S4b Heating. (6) Defective operation of ball valve. (7) Short cycle of indoor unit. (8) Plugged filter of indoor unit. (9) Reduced fan flow due to dirty fan. 10)Dirty indoor heat exchanger. 11)Defective indoor fan block, motor, Note: For 7) to 11) there is a drop in low pressure due to a drop in evaporation performance during cooling.

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