New Liftmaster Garage Door Opener Tripping Breaker

Recently it has started blowing its breaker intermittently.

New liftmaster garage door opener tripping breaker. The garage door at my girlfriends house keeps tripping the breaker. Only thing on the circuit is the opener and a flourcent light. I think the op s new garage door opener has a fault tripping the gfi breaker. It rained very hard last night and all yesterday the home inspector told her the ground for the garage was not optimal.

You can unplug the garage door opener. If the door works easily by hand disconnect the door from the drive and raise and lower the drive without the door to see it there is a bind in the drive itself. My liftmaster garage door opener is 27 years old. A short in the control board or the wiring of the garage door opener could also cause that problem.

Disconnect the door from the opener and make sure the door raises and lowers easily. A bad drive motor could cause the circuit breaker to trip. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. It may be as simple as a spring adjustment.

It s nominally 1 3 hp. One such protection is the breaker you are tripping. So in here now i manually opened the door. We design and engineer residential garage door openers commercial door operators and gate entry systems.

I think the rate is increasing. I removed the 100w lightbulb but the trips. I d advise a temporary test using an extension cord plugged into a known different circuit to plug in the garage door opener in to for 2 or 3 days and see if the gfi breaker continues to trip after the opener has been removed from the circuit. It worked fine the other day.