E04 displayed; burner lights then goes out

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

Dirty ionization electrode, Poor earth, Unstable gas supply, Faulty PCB flame circuit

Safety: Turn off gas and power before cleaning electrodes.

1. Clean ionization electrode: Remove and gently clean with fine abrasive pad.
2. Check earth connection: Ensure the appliance is properly earthed.
3. Gas supply check: Have a technician verify gas pressure and stability.
4. PCB check: Replace main PCB if flame circuit is defective.

Hard 4/5

Flame ionization electrode

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