Rangemaster Overheating Motor

Garbage disposal is extremely hot to the touch after short use, even when not jammed.

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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

Blocked ventilation, failing motor windings drawing excess current, incorrect supply voltage, internal friction from worn bearings

How to Fix / Troubleshooting

Safety first: Turn off power and allow the unit to cool completely before further use.

  • Check ventilation: Ensure there is adequate space around the Rangemaster unit under the sink and that insulation or stored items are not pressed against the motor housing.
  • Verify free rotation: Use the hex key to confirm the impeller plate spins freely.
  • Limit run time: Avoid extended continuous operation. If overheating occurs even with short runs, internal motor issues are likely.
  • Plan replacement: An overheating motor is a fire risk. Arrange for replacement of the disposal.
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Repair Difficulty

Hard 4/5

Required Part

Motor assembly
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