Increase the open force adjustment dial slightly.
Troubleshoot chamberlain whisper drive garage door.
Get on a step ladder and remove the light lens locate the force setting dials.
Remove sensors from brackets and shorten sensor wires to 1 2 ft 30 60 cm.
Disconnect all wires from back of motor unit.
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E g if the dial is set to 1 increase it to 2.
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Whisper drive security 248739.
Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener.
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Alter the travel adjustments if the door is stopping short of the desired point on the ground.
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Chamberlain wd962kcd garage door opener troubleshooting inspect sensor wires for a short staple in wire correct wiring polarity black white wires reversed broken or.
Pull the emergency door release and check the up and down travel of the garage door for binding.
Unplug the garage door opener to reset the logic board.
Repair the garage door if it doesn t travel smoothly.
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How to troubleshoot the chamberlain garage door step 1.