Questions & Answers for: guardian 21230l

...guardian garage door opener 21230L. From the "exploded" diagram on page 20 of the owner's manual (which you can download free from the link below) there appears to be two screws located on TOP of the ...

need a manual for guardian 21230L garage door opener? http://www.vartutechnika.lt/assets//PDF_instrukcijos/pakeliami/B7-21230L.pdf

guardian 21230l I have a problem with my keyring remote, every time I replace the batterie (A27 $13) it lasts for 4 to 5 days then gos flat,I replace the batterie and everything works,light,an door ...

Guardian sectional door 21230L opens & closes by itself without any one touching the remotes. check all the wiring and be sure it is not pierced by a nail or staple

...guardian garage door opener 21230L isn't opening and shutting when using the remote. It's definitely not the remote, as I detached the red cord to manually open and shut it now I always have to open ...

...Guardian garage door opener 21230L? I want to replace the bulb of the unit but cannot remove the light lens cover without breaking it Not sure about the Guardian, but it should be in the installation ...

...guardian 21230L garage door opener when you push the button the light flashes but no door movement happens can you help cheers request sequence to reset remote to operating garage door opener if your ...

...Guardian 21230l Door opener light is no working? I have replaced the bulb twice in 7 years, but now nothing happens. Any ideas? Trace circuit, back through the wiring, through the switch, and back to ...

...Guardian 21230L no sensors door only opens but won't close I have an older (2008) Guardian Garage Door Closer 21230L and my chain was too loose and came off sprocket. I put the chain back on but in ...