Grill Rotisserie Motor Not Working? 7 Causes and How to Check Each

How a grill rotisserie works

Most built-in and cart grills use a plug-in 120V motor that hangs on a bracket on one side of the grill. The square or hex end of the spit rod slides into the motor's drive socket, and the other end rests in a support or bushing on the opposite side. Some smaller kits use battery motors. The motor turns slowly, so it relies on gears to move several pounds of meat, and those gears are where many failures start.

If the motor turns fine but the rear rotisserie burner will not light or stay lit, that is a different problem. See our guide on infrared and rotisserie burners that won't work.

Common causes, in the order techs see them

1. No power at the outlet

Outdoor outlets are GFCI protected, and they trip from moisture, a wet cord connection, or another device on the same circuit. In outdoor kitchens, the GFCI that controls the island outlet may be in the garage or a bathroom, not at the island.

2. Damaged cord or plug

Cords get pinched under the hood, melted on hot grill parts, or chewed. Many motors have a cord that cannot be replaced by itself, so a damaged cord usually means a new motor.

3. Stripped or seized gears

When the motor hums but the drive socket does not move, the gears inside are usually stripped. Heavy, lopsided loads cause most of this. Motors left on a hot grill can also have their internals warp or melt.

4. Water damage

Motors left on the bracket through rain or sprinkler spray take on water and corrode. Many manuals say to remove the motor and store it indoors when not in use.

5. A binding spit

A bent spit rod, a rusted bushing, or a bracket knocked out of line can create enough drag that the motor stalls. The motor is fine, but it cannot overcome the friction.

6. Load out of balance or too heavy

A whole chicken skewered off center puts heavy strain on the gears every rotation. Every motor has a weight limit, and big roasts or two birds can go over it. Check your manual for the rating.

7. Spit not seated in the drive socket

If the spit end is worn round or the wrong shape for the socket, the motor turns but the spit slips. Spits come in different shapes and sizes, so an aftermarket spit has to match the motor.

Step-by-step checks you can do

1. Unplug the motor. Plug a lamp or phone charger into the same outlet. If it does not work, find and reset the GFCI, then check the breaker.
2. Look over the cord and plug for cuts, melted spots, or bent prongs. If you see damage, stop and replace the motor.
3. Take the motor off the grill and plug it in with no spit. Watch the drive socket for a full minute. If it turns smoothly, the motor is probably fine, so move to step 4. If it hums but does not turn, the gears are stripped or seized. If it does nothing with good power, the motor is dead. Either of those means a new motor.
4. Put the spit on the grill without the motor and turn it by hand. It should spin with little effort. If it drags, look for a bent rod, a dirty or rusted bushing, or a misaligned bracket.
5. Load the food and roll the spit across your palms or two supports. If it always stops with the same side down, it is off balance. Re-skewer through the center and adjust the counterweight until it rests anywhere.
6. Check the spit end where it enters the motor. If the corners are rounded off, replace the spit.

Tips that make motors last

• Remove the motor when you are not using it and store it inside.
• Truss the food tightly so it does not flop and shift the balance mid-cook.
• Never leave the motor mounted while the main burners are running on high with the hood closed, unless your manual says it is rated for that.
• Use an outdoor-rated extension cord only if you have to, and keep the connection off the ground.

What a pro does and when to call

Call a pro when the outlet keeps tripping, when the motor bracket is bent or broken off the grill body, or when you are not sure which motor and spit fit your grill. A tech can check whether the island outlet is wired and protected correctly, straighten or replace brackets, and match the correct OEM motor and spit to your model. Most service companies in our network are dealers or have dealer accounts, so they can often bring the right kit and install it on the same visit. You can look up a grill tech near you or browse grill repair companies. If the outlet itself is dead or keeps tripping, that is a job for an electrician.

A rotisserie that has been sitting for years often needs more than a motor. Grease buildup on the bracket and bushing adds drag, so pairing the repair with a professional grill cleaning is common.

Parts that usually fix it

• Rotisserie motors, spits, forks and brackets: see our rotisserie parts cost guide.
• Rear rotisserie burners and their igniters: see infrared burner prices.

Motors and brackets are brand specific on most built-ins. A Lynx motor bracket does not line up with a Fire Magic grill, and spit lengths change with grill width. Get the grill's model and serial number first. Our guide to finding the model number shows where it is on most brands. For a quick look at brand pricing, see the Lynx parts guide or the Fire Magic parts guide. You can shop Lynx parts at the Pro Grill store, and if your motor is not listed, send Pro Grill a parts request.

Frequently asked questions