F10
Miele
Insufficient or Unstable Supply Voltage
Miele control shows F10 low voltage or power supply error; disposal may fail to start or run weakly.
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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
Loose electrical connections at terminal block, Undersized wiring or long cable run causing voltage drop, Shared circuit overloaded, Faulty power outlet or breaker
How to Fix / Troubleshooting
Safety warning: Only qualified persons should work on mains wiring. Always turn off the breaker before opening any electrical compartment.
- Check breaker and outlet: Ensure the dedicated breaker is ON and not tripping. If using a plug-in model, test the outlet with another appliance.
- Inspect terminal block: Remove the wiring cover on the disposal and verify that line, neutral, and ground are tight and free of corrosion or heat damage.
- Dedicated circuit: Confirm the disposal is on a dedicated circuit as recommended by Miele. Overloaded circuits can cause low voltage.
- Professional testing: Have an electrician measure voltage at the disposal while it is attempting to start. If voltage is below specification, wiring or supply issues must be corrected.
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Repair Difficulty
Hard
4/5
Required Part
Terminal Block
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