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Error code

Mitsubishi Electric PU 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

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

detected when the power is put on> Meaning of error code and detection method — Reverse phase detection, Power supply and indoor/outdoor unit connecting wire converse connection 1. Three seconds after power on, judge reverse phase by detecting voltage phase of each phase. 2. Abnormal four minutes after power on if power supply and indoor/outdoor unit connecting wire have converse connection.

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

(Note 1) The number in ( ) is the (Note 2) Refer to indoor unit section Case (1) No voltage is supplied to terminal block (TB1) of indoor unit. a) Power supply breaker is put off. b) Contact failure or disconnection of power supply terminal c) L1-phased open phase (2) Electric power is not charged to power supply terminal of controller board. a) Contact failure of power supply terminal b) Disconnection of terminal R or 4/S on controller board (3) Defective outdoor controller board a) Fuse 5A on controller board is blown. b) Defective parts (1) L1, L2, L3 are not connected correctly. (2) Converse wiring of outdoor power supply line (TB1) and indoor power supply wire (TB4)

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.