2020年2月27日星期四

Dura Lift 2100 hums instead of moving

Today I noticed my garage door did not reverse when a 2x4 was placed under the door so I decided to adjust the travel limit. I made a slight adjustment and now the opener doesn't work at all. I changed it back which did not change the symptoms.

When the button is pressed, the opener makes a humming sound for approximately 20 seconds, then stops. The chain doesn't move. Google says the trolley must be jammed on the stop bolt but as far as I can tell it's not, and the door does move freely if disengaged from the carriage.

The opener is a Dura Lift 2100. Any suggestions would be appreciated.

submitted by /u/Fleegle2212
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from DIY https://ift.tt/2Tnn51h

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