Questions & Answers for: 41a5021

Programming remote, unit will not flash. Liftmaster security+ pro 1/3HP garage door opener 41A5021-1D front light not working and light in back will not flash while trying to program remote. ...

I have a craftsman garage door opener model # 41a5021-3d. I trying to change my code on my remote transmitter. You cannot change the code of a remote. You can change the code of a keypad.

I am in need of an operations manual Garage Master Security Plus garage door opener, model 41A5021-1E. The model number you give is a part number for a circuit board.

I replaced my logic board 41a5021-3c with 41a5021-2g and the sensor beams are not being powered so the door only wants to go up. Do I need to do something special. This was the reccomended replacement

the receiver it's not working If the garage door operates correctly from the wall mounted push button you can fit a universal garage remote control, these are very cheap and easy to fit and will solve

I can't successfully install my new logic board. I'm replacing board 41a5021-3c with 41a5021-2g. I was told i need to do this so I can operate 2 vs 1 remotes. I'm hooking up wiring the ...

How can I find the model number? It says Security+ on the side. on the back it says part number 41A5021-1F The model number will be on the end of the motor unit opposite where you saw 41A5021-1F.

chamberlin liftmaster model# 41a5021 flashing 5 lights Bad RPM sensor board.

OK, I'm tired of messing with this thing! Craftman 1/2 hp 41A5021-3B Here is the issue, at first the door kept reversing after about 2 feet of travel, then I adjusted the travel and force thinkin ...

Liftmaster Garage door Opener. I need a manual site for a garage door opener with this part # 41a5021-d Can a cable wrapped around the pulley prevent the door from opening? Question edited for a lot ...