Even freshly installed batteries may be defective so always change the batteries before you try anything else.
Craftsman 1 2 hp garage door opener remote not working.
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.
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If there is something in the doorway the safety sensor will detect it and prevent the garage door from closing.
Here are the steps to troubleshooting a safety sensor issue.
If the remote does not work change the batteries.
Step 3 clear the memory and reprogram all of the remote controls if the garage door opens or closes on its own.
Craftsman garage door openers are trusted to do what you need them to do.
As the drive shaft and sprocket rotate they drive the trolley that lifts and lowers the garage door.
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.
Check if there is anything in the way of the garage door.