Question about liftmaster Chamberlain Garage Door Opener Transmitter 300MC

1 Answer

Door wont sense when shuts.

Will not reverse open only cloes.

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  • eric_hughes Jan 12, 2009

    yes

  • Joel Wiedeman May 11, 2010

    Does the motor try to keep running when the door is closed?

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  • Contributor
  • 16 Answers

Sounds like a limit switch internally is out of adjustment. Check the owners manual. What make and model is it? There may be a manual online.

Posted on Jan 13, 2009

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1 Answer

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