Question about liftmaster Chamberlain Garage Door Opener Transmitter 300MC
Called the repair guys, they said to check the light sensors at the bottom of the doorframe for cobwebs/dust...did that and it worked. Ran the door up and down about 5 times, worked like a charm. Then on 6th time, it stopped half way down. Called the repair guys again, they said that doors are not designed to run up and down so many times so quickly. That it has a safety mechanism that stops it before it seriously overheats. Said to wait about 30 minutes for it to cool-off/reset itself. Am now waiting 30 minutes. That make sense to you?
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Posted on Jan 02, 2017
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