3-2 — LiftMaster 3-2 — Power Outage / Relearn Travel
3-2 means the opener experienced a power outage and needs to relocate/relearn its travel limits. Re-run the travel program. It is not a thermal max-cycle cool-down. (Diagnostic meaning corrected against the official Chamberlain Group / LiftMaster Security+ 2.0 chart; flash-code meanings can vary by opener family — confirm for your exact model.)
- Keep using it?
- Yes, with caution
- DIY difficulty
- Easy
- Verified against
- liftmaster.com ↗
How to fix it
- Re-run the travel/limit programming for your opener model (see the manual).
- Cycle the door fully to confirm the limits are re-learned.
Why it happens
Typical signs: Appears after a power outage · Door will not travel fully open/closed · Flash code 3-2
- Power outage cleared the learned travel positions After losing power the opener must relocate/relearn how far the door travels.
More LiftMaster garage door opener codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: liftmaster.com.