Questions & Answers for: liftmaster gdo

Door Opener for 16 ft. door. Is it possible to connect two rails together in series with a 1/2 HP Craftsman chain drive garage door opener to operate a 16 ft. aluminum shop door? Richard Barton Email:

sensors for GDO need realignment. How do I realign my sensors for my GDO? Quick and cheap way is to use a string and masking tape. The sensor does not have to be exact. If you have a laser level you ...

Red light/stuck GDO Sears 139.53600 I have a an old Sears 139.53600 GDO. The wall mounted opener (it's hard wired to the unit) shows a red light and neither the wall mount nor the remote will open the

Liftmaster gdo won't operate with door or remote I have a Liftmaster 1/3 hp gdo that was installed when the house was built. It will not operate with the door button or remote. There is power, no ...

For my gdo-7 v1 I need a control board : For my gdo-7 v1 I need a control board : CB-18V1 Who can help meM Need the manufacturers name.

chamberlain chain gdo. goes all the way up until it hits gdo box and gets stuck. unstick it and it works for awhile then it happens again Unstick it and close the door. While the door is closed locate

...gdo and a liftmaster keypad. All was well until yesterday when I added the chamberlain car remotes and could only get them to work if I erased codes from gdo. Now my keypad won't program. It's a ...

...liftmaster garage door First, check the battery inside the keyless entry. It may have died and that is the whole problem. Replace it if necessary. If it has never been replaced previously, you might ...

...Liftmaster K710, circa 1990's is opening & closing the door by itself. We've disconnected the hardwire door opener and it will open by wiggling the plug in. Is this fixable? You will not find repair ...

...liftmaster garage door opener. 41a3624 You set switches, this is your weak security. You will have to pair the opener with GDO. Possibly time to rr4place. Check HD or Lowe's the have GDO all price ...