Beko IPM / Inverter Module Communication or Protection Fault

Indoor unit displays H5; unit may not operate or may shut down intermittently.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Communication failure between control CPU and IPM, Faulty outdoor main PCB, Loose PCB connectors, Power supply instability to inverter board

Safety: Turn off power before opening the outdoor control box.

1. Inspect PCB connections: Remove the outdoor panel and check that all multi-pin connectors on the main PCB are fully seated.
2. Look for damage: Check the PCB for burn marks, swollen capacitors, or water ingress.
3. Power reset: After reseating connectors, power cycle the system and test.
4. If H5 persists: The outdoor PCB or IPM is likely defective and should be replaced by a qualified technician.

Professional Required 5/5

Outdoor Main PCB

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