Technivorm Moccamaster
Failed Auto-Off Timer Circuit
Auto-off feature does not work; hotplate stays on indefinitely (models with auto-off)
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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
Faulty electronic timer module, Stuck relay controlling hotplate, Miswired hotplate bypassing timer, Failed temperature sensor (if used by timer)
How to Fix / Troubleshooting
Safety: Unplug the unit when not in use to avoid overheating until the fault is corrected.
- Confirm model feature: Ensure your specific Moccamaster model is designed with an auto-off function and know its expected timeout (e.g., 40 minutes).
- Observe behavior: If the hotplate remains on well past the auto-off time, the timer circuit is not cutting power.
- Internal diagnosis (advanced):
- Remove the base and locate the timer/control module and any associated relay.
- Check for obvious damage or burned components.
- Verify that the hotplate wiring passes through the timer/relay and has not been bypassed.
- Repair: Replace the timer/control module or relay as a complete assembly if available.
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Repair Difficulty
Hard
4/5
Required Part
Auto-Off Timer / Control Module
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