Liebherr Electrical Vibration / Magnetostriction in Coils

Oven produces a metallic or electrical buzzing noise 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 transformer or choke on control board, Vibrating heating element brackets, Loose metal panels, Failing fan motor

Safety first: Disconnect power before tightening or touching internal components.

Steps:

Identify whether the noise comes from the rear, top, or inside the cavity.
Tighten any loose screws on panels, element brackets, and fan housings.
Inspect the control board area for loose transformers or coils; secure them with appropriate fasteners or insulating wedges.
If the noise is from a fan motor and accompanied by poor airflow, replace the motor.

Medium 3/5

Convection Fan Motor

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