Test garage door photo-eye sensors
Why it matters
Misaligned or dirty photo eyes are the #1 reason children and pets are crushed by closing doors. Auto-reverse alone cannot catch beam-break failures.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another test garage door photo-eye sensors.
How to do it
- 1
Open the garage door fully.
- 2
Place a rolled towel under the door opening.
- 3
Press the close button and observe the door.
- 4
The door must reverse immediately upon touching the towel.
- 5
If it doesn't reverse, clean both photo-eye lenses gently.
- 6
Realign sensors so both lights are on. Test again.
- 7
If door still doesn't reverse, call a garage door technician.