Brandt
Voltage Drop / Power Supply Instability
The oven display flickers or dims when the heating elements switch on.
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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
Weak household supply or overloaded circuit, loose mains terminal connections, failing low-voltage power supply capacitors, shared circuit with high-load appliances.
How to Fix / Troubleshooting
Safety first: Turn off the power before tightening terminals or opening the oven.
- Check circuit loading: Ensure the oven is on a dedicated circuit as recommended by Brandt. Avoid running other high-power appliances on the same circuit.
- Inspect terminal block: Tighten all screws at the oven's mains terminal block. Loose connections can cause voltage drops and heating.
- House wiring check: If lights in the house also dim, have an electrician check the supply and distribution board.
- Control board repair: If only the display flickers and the supply is stable, the low-voltage capacitors on the control board may be failing. Replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board
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