Be sure no part of your body or other obstacle is in between the two sensors or the light will remain red instead of green. The RPM sensor is a likely culprit if you’ve made the evaluations above and the problem persists. RPM stands for revolutions per minute and this sensor can malfunction, especially if the system was taxed with continual work. If the automatic garage door opener is new and you’ve installed it yourself, but it’s not working, make sure the RPM sensor board is wired correctly. The solid white wire from each sensor goes to terminal #2 and the white wires with the black tracer from each sensor goes to terminal #3. ![]() For accuracy, the RPM sensor is a small printed circuit board just in front of the motor with four wires going to it. Step 6 - Be Patientįive blinks of the light can also mean the motor has overheated. The system will often reset after 15-30 minutes so take a break and come back to it after a rest. Unplug the opener during this time and try the reset again before moving on to the next step. The logic board is the circuit board and main electronic component of your automatic garage door opener. Replacing the logic board will run you around $60-$150 so try other steps before resorting to this. To replace the circuit board, remove the panel from the back of the opener. Take a picture or label wires if you are concerned about their placement on the new board. ![]() Remove the old circuit board by removing the screws and clips holding it in place. Then reverse the process to install the new logic board. BLACK AND DECKER HOME PROTECTOR DOOR SENSOR NOT WORKING MANUALīLACK AND DECKER HOME PROTECTOR DOOR SENSOR NOT WORKING INSTALL.BLACK AND DECKER HOME PROTECTOR DOOR SENSOR NOT WORKING INSTALL.BLACK AND DECKER HOME PROTECTOR DOOR SENSOR NOT WORKING HOW TO.
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