Rpm Sensor Liftmaster Garage Door Opener

Replaced gear drive unit due to worn out parts.

Rpm sensor liftmaster garage door opener.

Lift master garage door opener model 1255lm from 1994. Motor runs this way with and without the limit switch assy on or off the unit. Get shopping advice from experts friends and the community. The liftmaster rpm sensor 41c4398a is a genuine liftmaster replacement part and is compatible with all chamberlain and liftmaster group chain and belt drive openers manufactured from 1984 to the present.

Manufactured after 1997 only check the owner s manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Gdo opens about 12 then stops. Genuine liftmaster chamberlain oem replacement part compatible with liftmaster and chamberlain garage door openers 1986 to current. Replace the garage door opener rpm sensor the rpm sensor monitors motor shaft rotation and sends speed signals to the logic board.

041c4398a is a rpm sensor replacement kit. Checked safety sensor light rails wheels chain pulleys trolley and carefully pulled door up and down manually while unhooked from trolley. Now the motor will only cycle 5 inches and auto reverse and cycle back when depressing the remote or wall switch. For use with various liftmaster and chamberlain garage door openers featuring a 5 bladed photo interrupter sensor.

For use with various liftmaster and chamberlain garage door openers featuring a 5 bladed photo interrupter sensor. I ve already checked the contacts going to the board to see they. Everything checked out so i ordered this part 41c4398a rpm sensor replacement as suggested online. Check the owner s manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

The logic board shuts off the motor and flashes the learn light 5 times when it doesn t receive speed signals from the rpm sensor. Manufactured after 1997 only. High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener. 041c4398a is a rpm sensor replacement kit.