E16
Bomann Mains Supply / Internal Power Instability

Oven shows E16 and clock resets or display flickers when heating starts

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Safety Warning

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.

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Possible Causes

Loose mains terminal block, Undersized house wiring or weak circuit, Faulty internal power supply on control board, Shorting heating element intermittently

How to Fix / Troubleshooting

Safety: Work on mains connections only with power disconnected.

Check supply and connections:

  • Verify that the oven is on a dedicated circuit with correct amperage as per Bomann specifications.
  • Pull the oven out and inspect the mains terminal block for loose screws or heat damage. Tighten all connections firmly.
  • Inspect the power cable for damage.
  • If the issue persists, an internal short in a heating element or a failing main control board power supply may be present and should be diagnosed by a technician.
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Repair Difficulty

Hard 4/5

Required Part

Mains Terminal Block
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