Emergency Garage Door Sensor Repair: Troubleshooting Tips

Having garage door sensors is crucial for maintaining the smooth operation of your garage door system. If they feel an obstruction, they reactivate the door and prevent potential accidents. But like any mechanical or electronic part, sensors can eventually wear out; when they do, that can spell headaches or safety issues for you. Our guide offers some tips for easily finding the handy fix to your sensor woes.

Check Sensor Alignment

Most often, the reason for misaligned sensors is an issue with the garage door sensor. Vibrations, accidental bumps, or natural subsidence can cause misalignment. To address this:

• Check for Misalignment: Verify that both of the sensors remain level with each other.
• Clean the Lenses: Sensor interference may be blocking images due to dust, dirt, or debris. Wipe off the lenses with a soft cloth.
• Align the Sensors: Lots of (garage door) sensors have built-in lights to light the way for the included sensors. Following the manufacturer’s instructions concerning alignment.

Test Sensor Wiring

It can also result in sensor deterioration due to malfunctioning wiring. Examine the wires connecting the sensors and the garage door opener. Inspect the wiring. Inspect wires for any fraying, loose connections, or other visible damage. Repair or replace any damaged wires with manufacturer-approved components if necessary.

Inspect for Obstructions

Debris around the sensors can produce false readings. Look for common problems such as:

• Debris, such as leaves, cobwebs, or grime, is present on the lenses.
• Obstacle: Objects or cars blocking the sensors.
• Environmental: Direct sunlight or reflected light causing interference.

If that doesn’t work, check for obstructions, then try the garage door again.

Test the Safety Reverse Mechanism

To test if the sensors will activate the safety reverse feature:

• Put something in the door’s way, like a cardboard box.
• Close the garage door using the remote or the wall-mounted control.
• Verify that the door reverses upon striking the object.

If a door doesn’t open or behaves erratically, then a professional inspection is in order.

Account for Environmental Factors

Extreme temperatures, humidity, or direct sunlight also compromise the sensor’s range. If vibration and light are the culprits, install weatherproof seals or shields to shield the sensors.

Although many sensor issues can be addressed through troubleshooting, some require professional repair. DoorMaster is here to help. Don’t risk it – call us!