Insert an Allen wrench into the hex-shaped hole at the center of the bottom of the disposal unit. Try to rotate the grinding plate back and forth. If it doesn't move freely, the unit is jammed.
Step 2 · Check for Jam
Insert an Allen wrench into the hex-shaped hole at the center of the bottom of the disposal unit. Try to rotate the grinding plate back and forth. If it doesn't move freely, the unit is jammed.