Garage Door Opener Troubleshooting and Repair - How to fix common problems

Be sure to click "show more" read the full description below for more help and more detailed repair videos. 0:40 NO POWER -First check the breaker switch -If that is good you may have a burned out power circuit board 1:20 REMOTE WORKS BUT WON'T OPEN DOOR -Check to see if the 'Lock' mode is engaged 2:19 LIGHTBULB FLASHES WHEN BUTTON IS PUSHED - CHECK THE SENSORS [most common failure] -Verify that nothing is in between the two sensors -Make sure the sensors are aligned -Verify that both sensors have lit LEDs -Verify no dirt or spiderwebs are blocking the sensors -Check the wires for breaks and follow them back to the opener unit. Make sure they are completely inserted. -Sometimes snow can cause the sensor to trip. Even morning/afternoon sunlight shining into the sensor lens can cause it to trip. -Override the sensor by holding down the button. If the door closes properly, you know you have a sensor issue. Sensors can fail but it is not common. Watch this vi
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