McAlpine Post-Surge Electrical Damage

Disposal will not start after a power cut or surge, although it worked previously.

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.

Possible Causes

Blown internal fuse (if fitted), Damaged McAlpine control electronics (if electronic model), Motor winding damage from surge, Tripped thermal protector

How to Fix / Troubleshooting

Safety first: Ensure power is stable and turned off at the breaker before inspection.

Press reset: Press the reset button on the underside of the unit.
Check supply: Verify the wall outlet or spur is live after the power cut.
Inspect internal components: Look for any small fuses or electronic modules inside the McAlpine unit (if your model has them) and replace only with identical parts.

If the unit remains dead, internal motor or control damage is likely; replacement is usually more economical.

Repair Difficulty

Medium 3/5

Required Part

Motor Assembly / Control Module

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