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Troubleshooting
DIAGNOSTIC CODE
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The garage door opener can beep for several reasons:
Garage door opener has been activated through a device or feature such as Timer-to-Close,
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®
garage door monitor or MyQ
Internet Gateway, see page 26.
My remote control will not activate the garage door:
Verify the lock feature is not activated on the door control.
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Reprogram the remote control.
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If the remote control will still not activate the door check the diagnostic codes to ensure the
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garage door opener is working properly.
My door will not close and the light bulbs blink on my motor unit:
The safety reversing sensor must be connected and aligned correctly before the garage door opener
will move in the down direction.
Verify the safety reversing sensors are properly installed, aligned and free of any
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obstructions.
SYMPTOM
Door is moving stops or reverses.
Opener runs approximately 6-8" (15-20 cm), stops and
reverses.
The garage door opener will not close and the light bulbs
flash.
SOLUTION
Manually open and close the door. Check for binding or obstructions, such as a broken spring or door
lock, correct as needed. If the door is binding or sticking contact a trained door systems technician. If
door is not binding or sticking attempt to reprogram travel (refer to page 23).
Communication error to travel module. Check travel module connections, replace travel module if
necessary.
Safety sensors are misaligned or were momentarily obstructed. Realign both sensors to ensure both
LEDs are steady and not flickering. Make sure nothing is hanging or mounted on the door that would
interrupt the sensor's path while closing.
My garage door opener light(s) will not turn off when the door is open:
The garage door opener is equipped with a feature that turns the light on when the safety reversing
sensors have been obstructed. This feature can be disabled using the door control, see page 28.
My neighbor's remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote control(s).
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My vehicle's Homelink
is not programming to my garage door opener:
Depending on the make, model, and year of your vehicle an external adapter may be required. Visit
www.homelink.com for additional information.
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