V-ZUG Relay or Contactor Noise

Oven emits a metallic or buzzing noise from the control area when heating elements switch on and off.

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

Aging or loose relays on power module, Vibrating PCB or mounting, Slightly loose transformer laminations (if fitted)

Safety first: Disconnect power before opening the control area.

Step-by-step checks:

Identify source: Carefully listen to locate the exact source of the noise (control board, transformer, etc.).
Secure components: Tighten mounting screws for the power module and any transformers. Add approved vibration-damping pads if appropriate.

When to call a technician: If relays chatter or arc, the power module should be replaced by a technician.

Medium 3/5

Power Module / Relays

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