Trash Compactors

Trash compactor won't stop: ram keeps cycling or runs past the top

A compactor stops when the ram returns to the top and trips the top-limit/directional switch, which also tells the motor which way to run. If the ram never stops, suspect that switch or its actuator, a start/run or push-button switch stuck closed, or a motor centrifugal/reversing switch problem. Unplug before any check.

Single source ~60 min moderateBrands: Whirlpool, KitchenAid, GE, Kenmore, Broan

Before you start

  • Unplug the compactor before removing any panel
  • Keep hands out of the ram path; it has high force
  • Do not bypass the drawer safety switch

Diagnostic steps

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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If the motor turns freely, the fault is in the drive train between the motor and the ram: drive chain or belt, sprockets/gears, or the plastic power nuts that ride the power screws. A broken directional/limit switch can also leave the screws turning the wrong way or not at all.

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Trash compactor won't stop: ram keeps cycling or runs past the top · OnCall Tech