Error code

Mitsubishi Electric PUH 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

— Reverse phase detection, Power supply and indoor/outdoor unit connecting wire converse connection 1. 3 seconds after power on, judge reverse phase by detecting voltage phase of each phase. 2. Abnormal 4 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.

View details as a member

Possible causes

(1) No voltage is supplied to terminal block (TB1) of indoor unit. a) Power supply breaker is 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 6.3A 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.