Craftsman Garage Door Opener Troubleshooting Sensors

The door should stay open and the motor unit lights should blink.

Craftsman garage door opener troubleshooting sensors.

Each of the several models of the craftsman 1 2 hp garage door opener is operated by a chain drive. 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. Replace remote device batteries. Sometimes the sensor becomes faulty and needs to be replaced.

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. Attempt to close the garage door using a remote. Check sensor alignment and line up the safety sensors. This safety reversing sensor is actually a pair of.

Reconnect any loose safety sensor wires. Craftsman 139 30437 is a residential garage door opener. Most of the features and functions on each model work in the same way. 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.

Prevents the garage door from closing onto people pets or objects. If the sensors are not. Check the safety sensor s connection to the garage door 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.

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. To troubleshoot this first check if any of the safety sensor wires have been disconnected behind your craftsman opener. All garage door openers use a sensor light to prevent the door from closing when an object is in its path. Chain rail extension kit.

Chain rail extension kit. Open the garage door. The sensors use two photo eye lenses that transmit an infrared beam between them. Craftsman 139 30437 garage door opener troubleshooting.

Shop our garage door openers and find out where you can buy yours locally or online. 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. Fits any craftsman garage door opener manufactured after 1997.

Craftsman garage door openers are trusted to do what you need them to do. When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem.