LiftMaster LM21XPBB Support Question
Find answers below for this question about LiftMaster LM21XPBB.Need a LiftMaster LM21XPBB manual? We have 1 online manual for this item!
Question posted by danielraymond38 on May 29th, 2021
Battery Was 9 Years Old, I Replaced But Continued To Beep. What Could That Be?
Current Answers
Answer #1: Posted by Odin on May 29th, 2021 9:52 AM
If the issue persists or if you require further advice, you may want to consult the company: use the contact information at https://www.contacthelp.com/liftmaster/customer-service.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Answer #2: Posted by SonuKumar on May 29th, 2021 10:16 AM
https://www.youtube.com/watch?v=PtKuFXe8P5g
https://www.youtube.com/watch?v=5hqLPWfX1sc
https://www.youtube.com/watch?v=CNrtIeqy2Vs
https://www.youtube.com/watch?v=GVYFb5YwuGU
https://www.youtube.com/watch?v=oNKLB5AYQno
https://www.devancocanada.com/files/manuals/LM21XPBB:Installation-manual.pdf
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
Your search handyman for all e-support needs!!
Related LiftMaster LM21XPBB Manual Pages
Similar Questions
I have been using a Chamberlan garage door opener and its remote has been defective since of late.Pl...
I need a replacement Lens Cover for a garage door opener Model # 1355M- 1/2 HP Liftmaste
My Lift master 8550 inside keypad is Inside wall pad is model #880LM. outside keypad Model # is 877M...
I have a liftmaster garage door opener. It makes a loud screeching noise when the door is lowered....
How do I replace the backup battery in the LiftMaster 3850 garage door opener? Are there instruction...