Disconnect your chamberlain garage door opener from the garage door by pulling the emergency release handle down and back towards the garage door.
Chamberlain whisper garage door opener troubleshooting.
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Manually lift the garage door and release it when it is opened halfway when the door is appropriately balanced it will neither move up or down but stay in place supported by the springs.
Chamberlain garage door openers troubleshooting support find the chamberlain garage door opener technical support you need to get your garage door opener operational.
One turn equals about 2 inches of travel on the garage door.