Check the breaker controlling the door opener and.
Garage door opener loose sprocket.
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The process isn t as hard as you may think so consider the guide below.
If you replace the sprocket assembly in your chain drive garage door opener yourself you may be able to save a lot of money.
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Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.
Step 1 turn off the power.
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Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.
If your garage door opener s motor runs but the chain doesn t move the gear and sprocket assembly might be broken or worn.
Disconnect the power cord from your door opener before doing any kind of repair.
Chain drive garage door openers have a sprocket that is attached at the top of the motor.