Help get this topic noticed by sharing it on Twitter, Facebook, or email.

MyQ 888LM just slowly flashes red and yellow then beeps

I have a Chamberlain HD420EV opener marked as MyQ compatable. I install the 888LM and after a few minutes it just slowly flashes  red and yellow then beeps and will not operate the garage door.  What can I do to fix this?
1 person has
this problem
+1
Reply