E10
Calphalon
Warming Plate / Hot Plate Circuit Error
Display shows E10 and the warming plate does not heat after 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
Open warming plate heating element, Failed hot plate thermostat, Loose wiring to warming plate, Faulty hot plate relay on control board
How to Fix / Troubleshooting
Safety first: Unplug the coffee maker and allow it to cool before touching the warming plate.
- Confirm function: After a brew cycle, check if the warming plate ever gets warm (carefully, to avoid burns). If it remains completely cold, the hot plate circuit is not energizing.
- Check keep-warm settings: Some Calphalon models allow adjusting or disabling the keep-warm function. Verify the setting is not set to 0 minutes or OFF.
- Power reset: Unplug for 5 minutes, then plug back in and run a short brew cycle to see if the plate heats.
- If E10 persists: The warming plate element, thermostat, or control relay is likely faulty. These components are internal and require disassembly to test and replace.
- Professional repair recommended: Because the hot plate operates at mains voltage and high temperature, have a technician replace the warming plate assembly or control board as needed.
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Repair Difficulty
Hard
4/5
Required Part
Warming Plate Assembly
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