E21
Electrolux Internal Relay / Control Module Failure

Disposal will not start, but a faint click is heard from the unit when the switch is turned on.

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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

Failed electronic control board (on advanced Electrolux models), Stuck internal relay, Faulty safety interlock (batch-feed lid sensor), Loose internal wiring

How to Fix / Troubleshooting

Safety First: Turn OFF power at the breaker before removing any covers.

  • Step 1 – Verify lid or stopper (batch-feed models): Ensure the batch-feed stopper or magnetic lid is fully seated and oriented correctly to engage the safety interlock.
  • Step 2 – Inspect internal wiring: Remove the bottom cover and check for loose spade connectors or wire nuts between the power input and motor.
  • Step 3 – Check control module: On models with a separate control module, look for burn marks or swollen components. Replace the control module if available as a service part.
  • Step 4 – Test: Restore power and test. If the click persists without motor operation and wiring is intact, the internal relay or motor is likely defective.
  • In most cases, replacement of the entire disposal is more practical than control or motor repair.
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Repair Difficulty

Hard 4/5

Required Part

Control Module
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