One of the most common issues with InSinkErator garbage disposals is blockages. Check the disposal and sink drain for any visible blockages, such as:

If none of the above steps resolve the issue, consult the InSinkErator garbage disposal user manual for troubleshooting guides specific to your model.

Tripped thermal overload (motor overheated).

If the unit is plugged in, test the outlet by plugging in another small appliance like a lamp. If that doesn't work, the outlet itself may have a tripped GFCI. 2. Humming but Not Grinding (Jams)

Locate the small red reset button on the bottom of the unit. If the motor overheated or jammed, this button will pop out about a quarter-inch. Push it back in; if it doesn't stay, wait 10 minutes for the motor to cool and try again.