Replace Rpm Sensor Garage Door Opener

The rpm sensor detects motor speed.

Replace rpm sensor garage door opener.

The garage door opener has two sensors that prevent the garage door from closing on a person or object. Gdo opens about 12 then stops. This diy repair guide explains how to replace the rpm sensor on a chain drive garage door opener. One that sends an infrared beam and one that receives the beam.

For use with various liftmaster and chamberlain garage door openers featuring a 5 bladed photo interrupter sensor. Checked safety sensor light rails wheels chain pulleys trolley and carefully pulled door up and down manually while unhooked from trolley. Many times people have damaged the garage door opener sensors because of their. 041c4398a is a rpm sensor replacement kit.

The rpm sensor was easy to replace. If an object or person is in the way of the beam the closing door reverses direction. Manufactured after 1997 only check the owner s manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Garage door openers sensors are usually situated one on each side of the garage door approximately 6 inches from the base.

If the rpm sensor breaks the garage door only moves 6 to 8 inches at a time and the led light flashes 5 times. Replace the rpm sensor with the manufacturer approved replacement part. This diy repair guide explains how to replace a safety sensor on a garage door opener. How to replace a chain drive garage door opener rpm sensor liftmaster rpm sensor you replacing the rpm sensor on a garage door opener you how to replace a chain drive garage door opener rpm sensor.

Everything checked out so i ordered this part 41c4398a rpm sensor replacement as suggested online. They tend to work with infra red sensing devices which lock the two lights together. Lift master garage door opener model 1255lm from 1994. If the beam is broken they stop and thus stop the door.

The circuit board itself is not laid out the same as the 10 year old original.