As the drive shaft and sprocket rotate they drive the trolley that lifts and lowers the garage door.
Craftsman 1 2 hp garage door opener remote not working.
The plastic gear on the drive shaft is designed to fail if the garage door gets stuck in the travel tracks protecting the expensive drive motor from damage.
To find out what s wrong with your door opener use the craftsman garage door troubleshooting charts below.
Check the garage door to ensure the manual lock is not engaged.
If the remote does not work change the batteries.
We just had a bad thunderstorm roll through our area and now my model 139 53663srt1 craftsman 1 2hp garage door opener will not open or clo.
Step 3 clear the memory and reprogram all of the remote controls if the garage door opens or closes on its own.
Check if there is anything in the way of the garage door.
Even though these products are usually of high quality they need repair from time to time.
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Here are the steps to troubleshooting a safety sensor issue.