Gorenje Transformer / Relay Hum

Oven emits a buzzing or humming noise from the control panel area, even when not heating.

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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

Vibrating control transformer, Chattering relay due to low voltage, Loose mounting screws on control board or transformer

How to Fix / Troubleshooting

Safety first: Disconnect power before opening the control panel.

  • Locate noise source: With the panel removed and power briefly restored (only if safe and qualified), carefully listen to identify whether the noise comes from a transformer or relay.
  • Tighten mountings: Turn power off again and tighten screws securing the transformer and control board to reduce vibration.
  • Check supply voltage: Have an electrician verify that mains voltage is within the specified range; low or fluctuating voltage can cause relay chatter.
  • Component replacement: If the transformer or relay is excessively noisy or overheating, replace the control board or the specific component as appropriate.
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Repair Difficulty

Hard 4/5

Required Part

Electronic Control Board
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