# LiftMaster code 3-1: the opener moves a little, then stops

Source page: https://garagedoorscience.com/code/liftmaster-error-codes/3-1

## The opener moves a little, then stops

A one-off glitch in the opener’s logic board, or a board that is starting to fail.

**Check this first, then a pro.** Try the opener once more. If it happens again, the logic board needs replacing: call a pro.

From the maker’s manual:
- LiftMaster manual for models 8500WMC, 8500WMC-267, PDF page 32: https://cgi.widen.net/content/jwcqmmesfs/original/114-5706-000.pdf

Garage Door Science isn’t affiliated with the opener makers LiftMaster, Chamberlain or Genie. Each meaning is our summary of the maker’s own manual, which we link.