Turn off the power to the garburator at the switch and breaker
Check for visible obstructions with a flashlight
Use tongs or pliers to remove any loose debris
Insert the hex wrench into the bottom center slot and turn it back and forth to free the impeller
Press the reset button on the bottom of the unit
Run cold water into the sink
Turn the power back on
Run the garburator with cold water for a few seconds
Add ice cubes and coarse salt to help clear residue
Avoid putting grease, bones, fibrous foods, coffee grounds, or starchy foods into the garburator
If it still hums, trips, or will not drain, call a plumber or appliance technician