Wet or fogged sensors
Water on or inside lenses blocks the beam.
Weather and sealing
Garage Door Won't Close After Rain
If the door works fine in dry weather but refuses to close after rain, water is probably affecting the sensors, the wiring or the bottom seal. Storms are occasional in Riverside, so the problem may only show up a few times a year.
Short answer
Dry and clean the sensor lenses and check whether water or condensation is inside them. Look at sensor wiring for exposed or damaged sections. Check that the bottom seal is not stuck to a wet floor. If the problem continues once things dry out, book a technician.
Likely causes
Wiring damage
Exposed wiring shorts when wet.
Seal sticking
A wet bottom seal can stick to the floor and confuse the opener.
Water at the threshold
Pooled water changes floor contact. See weather seals.
Because rain is infrequent, sensor wiring that runs along the floor or under the door jamb may sit for months before a storm exposes a weak spot. Splashing water can also land on sensors mounted close to the ground. Moving or protecting sensors and rerouting wiring can stop the problem recurring each storm season. Keeping the area in front of the sensors clear of mats and stored items also helps during wet weather.
Safe checks you can make
- Dry the sensor lenses
- Look for condensation inside sensors
- Inspect wiring near the floor
- Check for pooled water at the door
Stop and call a technician if
- The problem persists after drying
- Wiring looks damaged
- Water enters the garage
What a technician may inspect
- Sensors and wiring
- Bottom seal and threshold
- Close limit
- Drainage at the door
Describe what the door is doing when you call. A provider may ask follow-up questions, but a reliable price normally needs an on-site look rather than a phone-only quote.
Services that address this problem
Garage Door Sensor Repair
Photo-eye sensors sit a few inches above the floor on each side of the door.
Garage Door Weather Seal Replacement
Most doors have a bottom seal in a retainer along the bottom panel and perimeter stops along the sides and top of the frame.
Opener Safety and Force Adjustment
Travel limits tell the opener where fully open and fully closed are.
Frequently Asked Questions
Wet sensors, damaged wiring and wet seals are common causes. The door may work normally once things dry.
Repeated water exposure can damage sensors and wiring, especially if they are mounted low and get splashed.
Sometimes. A technician can adjust mounting or shield sensors while keeping them at the required height.
A sticky seal can affect how the opener senses the floor, sometimes causing reversal.
If water is also getting inside, the bottom seal or threshold probably needs attention. See water coming under the door for seal and threshold options.
If water has reached the opener or outlets, unplug it and let things dry before use.
Get your garage door working safely again
Call to schedule a technician visit with an independent provider who serves your area.