Craftsman Garage Door Sensors Troubleshooting

This model also utilizes the assurelink connectivity feature.

Craftsman garage door sensors troubleshooting. If they re turned on in both the sensors then there is no issue with the power supply. Sometimes the sensor becomes faulty and needs to be replaced. Craftsman 139 30437 garage door opener troubleshooting. Craftsman 139 30437 is a residential garage door opener.

All garage door openers use a sensor light to prevent the door from closing when an object is in its path. If your craftsman garage door opener fails to close the door properly you may need to disable the sensor light temporarily until you can replace the sensors. They need to have a clear line of sight between them in order for the door to work properly. A common cause of a malfunctioning garage door sensor is lack of power supply.

Safety sensors are the electronic eyes near the base of the door track on both sides. First you should check the safety sensors. When the garage door tracks or rollers are damaged or the garage door is not balanced your craftsman opener will stop when opening. It has a timer to close feature which allows you to set the opener to automatically move your door down after a specified period of time.

Look for small led lights on the sensors. Then look to see if the rollers are in working order. If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply. Verify if there isn t a block between them.

Check for binding or sticking of the garage door. Wait for 15 minutes for the overload protector to reset before operating the garage door opener again. The safety sensors may have wire connection problems at the sensor port or at the opener s motor head. The installation instructions for a craftsman door opener call for installing the sensors 6 inches above the floor and you can mount them to the floor the wall or the door track with the.