Electrolux
Intermittent Electrical Connection / Failing Motor Brushes (if equipped)
Disposal intermittently fails to start; sometimes works after tapping the unit or toggling the switch several times.
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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 internal wire connection, Worn motor brushes (on certain designs), Failing wall switch contacts, Corroded quick-connect terminals
How to Fix / Troubleshooting
Safety First: Turn OFF power at the breaker before opening any covers or touching wiring.
- Step 1 – Inspect wall switch: Replace the switch if it feels loose, warm, or shows signs of arcing.
- Step 2 – Check internal connections: Remove the disposal's bottom cover and tighten all wire nuts and spade connectors.
- Step 3 – Observe behavior: Restore power and test. If tapping the unit still affects operation, internal motor components are likely worn.
- Step 4 – Replace unit: Intermittent internal faults are not reliably repairable; replace the disposal to prevent sudden failure.
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Repair Difficulty
Medium
3/5
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