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craftsman garage door opener model 139.53663SRT will go up but not down ? 5 blinks on led indicates rpm sensor but i already replaced it and have same problem
by NATHANIEL GRUBE Last activity date:
Product Model Number: 139.53663SRT
Message: my garage door opener will go up but it wont go down, the led
blinks 5 times indicating a bad rpm sensor, however i just replaced the
entire rpm sensor assembly. i have checked the wiring harness for
continuity between each end and also checked that the photo eyes are
properly aligned. the motor will kick on and open the door completely
until it hits the up limit however once it is at the up limit it will
not kick on to reverse and close the door, if i disconnect the power and
manually turn the drive screw to the closed position then re connect it
the door will open when i hit the button i just cant get the opener to
kick on to close the door. what would cause it to do this? and what can
I do to fix it? I have a digital multi meter where I could test it
myself however i dont know what the values should be for ohms
continuity etc and between where and where any help would be
appreciated. even if i had to buy diodes, resistors, or transistors at
radio shack and solder new ones to the logic board i could do that i
just need the information to properly diagnose which parts are bad and
causing the problem. i had ordered the entire rpm sensor assembly from sears parts direct and installed it. it seems as if the logic board is not recognizing the sensor or that its not recognizing that the door is at full open that it needs to reverse to close it. both photo eyes have steady solid green light s on them indicating they are working and properly aligned the door is not jammed or locked and the green light on the button is also steady green.
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Manage My life offers great expert answer for any questions or concerns you may have about your appliances or your everyday life. It usually takes an expert to respond within 24-48 hours. If you would like to schedule service you could visit the Sears Home Services website. I attached the link below.
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