Grundig
Reduced Heating Performance
Oven heats but takes very long to reach temperature, uneven cooking results
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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
Partially failed circular element, one of top/bottom elements open, convection fan not running at full speed, door seal leaking heat
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing internal components.
- Test different modes: Compare preheat times in fan-assisted vs conventional modes. If one mode is much slower, suspect the associated element or fan.
- Inspect door seal: Check the rubber gasket around the door for gaps, tears, or hardened sections. Replace if it does not seal evenly.
- Check convection fan speed: Listen for the fan. If it sounds weak or slow, the motor may be failing. Replace the convection fan motor if necessary.
- Measure element resistance: Even if not fully open, a damaged element may show hot spots or discoloration. Replace any suspect elements.
Tip: Use an oven thermometer to confirm actual temperature vs setpoint during diagnosis.
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Repair Difficulty
Medium
3/5
Required Part
Door Seal (Gasket)
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