Question about Chamberlain 3/4-HP Whisper Drive Plus Evercharge Standby Garage Access System
I can not get the battery out to replace it.
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Posted on Jan 02, 2017
I just had that problem this morning and the cause was that the springs that help hold the weight of the garage door were broken. This caused the garage door opener to raise the garage door a fe inches and then drop again. We called in a professional and $200 later we had new springs and everything works fine now.
Posted on Dec 17, 2009
The opener is having a hard time operating the door. It sounds like the door is out of balance. The door should stay all the way up at half down and all the way down. You should be able to raise and lower the door by hand EASILY. The opener is only meant to lift10-15 lbs. Thanks BB
Posted on Sep 06, 2010
Where the belt attaches to the trolley carriage which attaches to the door there is a black adjustment nut with a spring on it. Tighten it up more by turning it clockwise until the belt tightens up. The belt will droop a little when the door is all the way shut normally but should not during operation. If you tighten it up too much the belt will slap on the rail during operation. Make sure the spring is set on the adjustment screw too. This holds the belt tight over time. Thanks BB
Posted on Oct 11, 2010
There is a button on the side of the wall-mounted remote. It has a pic of light bulb next to it. Press it once - the motion sensor is on and the lights will be on once it senses the motion; press it again and the motion sensor will be off.
Posted on Nov 01, 2010
SOURCE: the motor runs but it
Hi. I have seen this before, although usually not from chamberlain garage door openers.
Pull the release cord that unlocks the door from the opener, and manually open the door ALL the way open.
Then lock back in place in the open position.
Then use automatic opener to shut door.
It will close very slowly, but should close all the way.
Then, open the door again using the remote, and the door will once again open slowly, this time it should open all the way.
Then close door with remote, and door should now close as it is supposed, with the proper speed.
The slow opening and shutting is the system position sensor resetting itself.
This is why your door is acting up.
I would also look up by the belt drive connects to the front of the garage door opening, to make sure there isn't any dirt, cobwebs, or other obstructions on the sensor that may cause it to re-close the way it does.
Posted on Jan 24, 2011
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