Clatronic Noisy Relay or Vibrating Transformer

Oven emits a buzzing or humming noise from the control area when heating.

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

Loose relay on control board, vibrating mains transformer, loose mounting screws, worn relay contacts

Safety first: Disconnect mains power before removing the control panel.

Locate noise source: Remove the top or front cover and carefully identify the component making the noise (relay, transformer, etc.).
Tighten mounts: Tighten any loose screws securing the transformer or control board.
Dampen vibration: If safe and appropriate, add a thin insulating washer under mounting points to reduce vibration.
Replace noisy relay: If a relay chatters or buzzes excessively, the control board may need replacement.

Medium 3/5

Electronic Control Board

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