Craftsman Garage Door Opener Troubleshooting Sensors

Check the safety sensor s connection to the garage door opener.

Craftsman garage door opener troubleshooting sensors. Craftsman 139 30437 is a residential garage door opener. To troubleshoot this first check if any of the safety sensor wires have been disconnected behind your craftsman opener. 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. Each of the several models of the craftsman 1 2 hp garage door opener is operated by a chain drive.

Chain rail extension kit. This safety reversing sensor is actually a pair of. This model also utilizes the assurelink connectivity feature. 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.

If the sensors are not. Most of the features and functions on each model work in the same way. Open the garage door. Sometimes the sensor becomes faulty and needs to be replaced.

When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem. Prevents the garage door from closing onto people pets or objects. Check sensor alignment and line up the safety sensors. Place a box or similar object between the safety sensors to block the sensing beam.

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. Shop our garage door openers and find out where you can buy yours locally or online. All garage door openers use a sensor light to prevent the door from closing when an object is in its path. Replace remote device batteries.

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. Sears craftsman garage door openers have an important safety feature that prevents the door from closing when something or someone is in the way. Craftsman garage door openers are trusted to do what you need them to do. Attempt to close the garage door using a remote.

Fits any craftsman garage door opener manufactured after 1997. The door should stay open and the motor unit lights should blink. Craftsman 139 30437 garage door opener troubleshooting. Reconnect any loose safety sensor wires.

2 safety sensors easy to install mounting brackets 3 ft extension wire and connectors. Safety sensors include two mounted sections one on each side of the garage door opening.