Dirty RPM Sensor
![rmp sensor that has white powder all over the module.](https://accessgaragedoors.ca/wp-content/uploads/2019/07/20180404_153034-1024x768-1.jpg)
Dirty RPM Sensor that has been layered with nylon gear powder. This is quite serious and will cause door behavior issues. This module will need to be blown off.
![Garage door RPM sensor module.](https://accessgaragedoors.ca/wp-content/uploads/2019/07/20180404_153227-1024x768-1.jpg)
Cleaned RPM sensor that will properly move the door as requested. This cleaned part will allow the operator to safely open and close the door.