Denver Garage Door Services

Sensor Repair & Adjustment

Our Techs Can Help

If your garage door won’t close properly or suddenly reverses, there’s a good chance the sensors are out of alignment or malfunctioning. These sensors, located near the bottom of the garage door tracks, use an invisible beam to detect anything in the way. If something blocks the beam—even dust or spiderwebs—the door won’t close. Sometimes, the sensors get bumped out of position, causing them to misalign and think there’s an obstacle when there isn’t. Other times, dirt, moisture, or wiring issues can mess with their ability to communicate. If your garage door keeps acting up, flashing sensor lights or a door that refuses to stay closed are signs it’s time for an adjustment or repair.

Fixing garage door sensors is usually a simple process. First, clean the sensor lenses—you’d be surprised how much dust or grime can cause problems. If they still don’t work, check their alignment by adjusting them until their indicator lights turn solid (instead of blinking). If the problem continues, there could be loose wiring or electrical issues that need attention. A quick check of the power source and reconnecting any loose wires can sometimes do the trick. If that still doesn’t work, Denver Garage Door can diagnose deeper issues, like sensor failure or problems with the garage door opener itself. Keeping sensors clean, properly aligned, and free of obstructions helps ensure your garage door works safely and reliably every time.