Liftmaster Garage Door Keypad

zargeo

My liftmaster garage door keypad suddenly is not working after many years of working flawlessly. The back lighting has gone very dim and the PIN is not activating the door movement. Coincidentally, I lost power after Hurricane Sandy and my keypad problem occurred after restoration of power. I was using a generator during the outage and wired the generator to back feed into house service with the main breaker shut down. I'm not sure if that is related. Is there a battery for the keypad??

firehawkmph

Yes there is a battery in the keypad. Bottom comes off exposing battery. Depending on which keypad you have, there may be a small phillips screw holding the cover on. Try a new battery and you should be back in business.
Mike Hawkins

gregzoll

Depending on how old your system is, it may also have a battery backup, to operate the opener when power goes out, and needs to be replaced also. Model of the Liftmaster helps.

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zargeo

Mike, THANK YOU VERY MUCH!!! With all the commotion of recovery from a Hurricane, I was thinking complications instead of focusing on the basics. It was nothing more than a battery (which by the way lasted for about 10 years). I changed the battery and I'm back in business. Thanks again!!!

zargeo

Greg,

Thank you very much - it was indeed the battery. I was thinking all sorts of complicated factors and as it turned out, it was a simple solution - changing the batter. I didn't think there was a battery in the keypad because it's hardwired and I've never had to change it in over 10 years since I've had the system. I looked for the battery - thanks to you and Mike's suggestion, changed it and now it's back in action. THANK YOU!!!!