Troubleshooting Garage Door Sensor Light Problems (Yellow Light)
Video summary
A yellow blinking garage door sensor indicates the safety photo-eye beam is not aligned or obstructed, preventing the door from closing. Common causes include dirty lenses, misaligned sensors, blocked beam, damaged or disconnected wiring, or failed sensors. Fixes include cleaning lenses, realigning sensors, removing obstructions, checking and repairing wires, replacing sensors, or calling manufacturer support.
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