Need garage door service in San Mateo?
Call 650-912-1817 to describe the problem and confirm current availability.
Call 650-912-1817 to describe the problem and confirm current availability.
Start with the sensor path
Make sure stored items, debris or other objects are not blocking the beam. Check whether both sensor units appear securely mounted.
When the door reverses
A door that begins closing and then reverses can have a sensor issue, but mechanical resistance and opener settings can create similar symptoms.
Do not permanently bypass safety sensors
Safety devices should remain functional. If basic cleaning and obstruction checks do not solve the problem, arrange service.