Craftsman Garage Door Opener Troubleshooting Sensors

Replace remote device batteries.

Craftsman garage door opener troubleshooting sensors. This safety reversing sensor is actually a pair of. If the sensors are not. Chain rail extension kit. 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.

If the diagnostic led on your craftsman garage door opener blinked two times then it means the safety sensor is disconnected from the garage door opener. Each of the several models of the craftsman 1 2 hp garage door opener is operated by a chain drive. Sears craftsman garage door openers have an important safety feature that prevents the door from closing when something or someone is in the way. Attempt to close the garage door using a remote.

All garage door openers use a sensor light to prevent the door from closing when an object is in its path. Most of the features and functions on each model work in the same way. Reconnect any loose safety sensor wires. Prevents the garage door from closing onto people pets or objects.

To troubleshoot this first check if any of the safety sensor wires have been disconnected behind your craftsman opener. Disabling the sensor light on a craftsman garage door opener is only temporary and will render the remote controls useless until you reconnect the sensors. The door should stay open and the motor unit lights should blink. 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.

Shop our garage door openers and find out where you can buy yours locally or online. Fits any craftsman garage door opener manufactured after 1997. The sensors use two photo eye lenses that transmit an infrared beam between them. Craftsman garage door openers are trusted to do what you need them to do.

Craftsman 139 30437 is a residential garage door opener. Check the safety sensor s connection to the garage door opener. Chain rail extension kit. If the garage door opener lights blink indicating an obstruction is blocking the safety beam even when no object is present the safety sensors may be misaligned or disconnected.

Safety sensors include two mounted sections one on each side of the garage door opening. Place a box or similar object between the safety sensors to block the sensing beam. This model also utilizes the assurelink connectivity feature. Check sensor alignment and line up the safety sensors.

When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem. Sometimes the sensor becomes faulty and needs to be replaced.