Garage Door Repair Services › Garage Door Sensor Alignment
Garage Door Sensor Alignment in St. Paul, MN
Sensor alignment means adjusting the position of the two infrared units at the base of your door opening so their beam connects cleanly and holds through door movement. Misalignment is one of the most common reasons a working garage door suddenly refuses to close. The sensors themselves may be fine — they just need to be repositioned and secured so they stop drifting out of contact with each other.
St. Paul Garage Door Pros provides garage door sensor alignment for homeowners across St. Paul, MN. Call for a free inspection and a written quote before any work begins.
When to Call
When You Need Garage Door Sensor Alignment
- Someone bumped a sensor with a garbage bin and now the door won't close on cold mornings
- Your door closes fine manually but the opener reverses every time on the left side of the opening
- The sensor bracket is loose and the light flickers from solid to blinking depending on wind or vibration
- Kids playing in the garage on Hamline Avenue knocked a sensor loose and it's been sitting crooked for a week
How It Works
Our Process for Garage Door Sensor Alignment
- 1
Check Indicator Lights
We read both sensor lights to confirm misalignment rather than a wiring fault or failed sensor before touching anything.
- 2
Loosen and Reposition
Mounting wing nuts or screws are loosened and each sensor is manually adjusted until the sending and receiving units face each other squarely.
- 3
Secure and Recheck
Once both lights go solid, we tighten the mounts firmly and shake the brackets to confirm they won't drift again.
- 4
Door Cycle Test
We run the door through several close cycles, including with an object in the beam path, to confirm safe operation.
St. Paul Context
Why this matters in St. Paul
St. Paul winters are rough on garage floors and framing. Frost heave can shift the vertical track mounting points over a season, which gradually pulls sensors out of alignment even when nothing has been physically bumped.
Straight Talk
About pricing & scope
Most alignment calls are straightforward, but if sensors won't hold alignment after adjustment, the brackets may be bent or the mounting surface may have shifted. That turns a simple adjustment into a bracket or sensor replacement job.
What This Fixes
Problems We See in St. Paul
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