1. Manuals
  2. Household Appliance Support
  3. Craftsman Support
  4. Garage Door Opener Support
Support User Manuals
Question About Craftsman Garage Door Opener 139.53978SRT
door will go up but stops immediately when button ...

door will go up but stops immediately when button pushed to go down. are the safety units on each side of the floor both supposed to have a green light lighted ? only one of mine has the green light on. Thanks Charley

Asked by Charley on 01/04/2014 1  Answer

ManualsOnline posted an answer 11 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.
Ask a Question Request a Manual