Proctor Silex
Over-Extraction / Overheating
Coffee tastes burnt or bitter, and there may be a strong burnt smell during brewing.
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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
Warming plate thermostat stuck on high, Brew temperature too high due to faulty sensor, Leaving coffee on hot plate for extended periods, Excessively fine grind or too much coffee
How to Fix / Troubleshooting
Safety first: Unplug the coffee maker before inspection.
- Adjust usage: Remove the carafe from the warming plate within 30 minutes of brewing or use a thermal carafe model if available.
- Clean carafe and basket: Coffee oils can build up and contribute to burnt flavors. Wash with hot soapy water or a coffee-specific cleaner.
- Descale: Run a descaling cycle to ensure accurate temperature sensing.
- Check warming plate: If the warming plate remains extremely hot even on low or after auto shutoff, the thermostat or control board may be faulty and should be replaced.
- Adjust grind and dose: Use a medium grind and follow the manufacturer's recommended coffee amount.
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Repair Difficulty
Medium
3/5
Required Part
Warming Plate Thermostat
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