Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
Chamberlain garage door not closing 10 flashes.
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This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.
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Chamberlain garage door openers troubleshooting support find the chamberlain garage door opener technical support you need to get your garage door opener operational.
It flashes 10 times and the owner s manual diagnostic charts tops at 6 flashes.
The light from the opener blinks 10 times to warn you about misaligned photo eyes.
My garage door opener model 139 5398500 won t close.
This will explain how to troubleshoot a garage door opener that won t close the door and blinks 10 times.
It travels 3 5 in.