Leave the door open and turn the adjustment screws located on the side of the overhead motor.
Chamberlain whisper garage door opener troubleshooting.
Disconnect your chamberlain garage door opener from the garage door by pulling the emergency release handle down and back towards the garage door.
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One turn equals about 2 inches of travel on the garage door.
Chamberlain garage door openers troubleshooting support find the chamberlain garage door opener technical support you need to get your garage door opener operational.