Question about liftmaster Chamberlain Garage Door Opener Transmitter 300MC
You are probably right about the motor going.Does it get to a point where the door stops and the motor is making a humming sound? If so the motor is going for sure...In the mean time to get you by,try putting more tension on the spring of your door to give the electric door opener a little extra help as its opening.
Posted on Jan 03, 2011
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Posted on Jan 02, 2017
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