Error code

Mitsubishi Electric PQHY code 4103

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 and refrigerant gas circuit

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

Reverse 1.When phase/open phase 2.The: turning on the power, the operation cannot be started because of the open phase of one of the power lines (R, S, T). operation cannot be started because of the reserve phase of one of the power lines (R, S, T).

Member details

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

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Possible causes

(2) The solenoid valve for humidification is OFF. (3) Disconnected float switch (4) Poor operation of float switch (5) Frozen water tank (1) Power supply error Open phase of power supply voltage Power-supply voltage drop (2) The fuse in the control box is blown (3) Faulty wiring or the trance failure Between the power supply terminal block TB1 and the main board CN20 Between the high pressure switch 63H and the main board CN38 Between the power supply terminal block TB1 and the main board CNTR (4) The fuse on the main board failure (5) The main board failure (1) Faulty wiring (2) Main board failure

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.