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DIAGNOSTIC CODE
SYMPTOM SOLUTION
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Flash(es)
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4 1-4 Door is moving stops or reverses. Manually open and close the door. Check for binding or obstructions, such as a broken spring or door lock,
correctas needed. Ifthe door is binding or sticking contact a trained door systems technician. Ifdoor is not
binding or sticking attempt to reprogram travel (refer to page 28).
4 5 Opener runsapproximately6-8",stops and reverses. Communication error to travel module. Check travel module connections, replace travel module if
necessary.
4 6 The garage door opener will not close and the light
bulbs flash.
Safety sensors are misaligned or were momentarily obstructed.Realign both sensors to ensure both LEDs
are steadyand not flickering.Make sure nothing is hanging or mounted on the door that would interrupt
the sensor’s path while closing.
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 or garage door monitor, see page 32.
My remote control will not activate the garage door:
Verify the lock feature is not activated on the door control.
Reprogram the remote control.
If the remote control will still notactivate the door checkthe diagnosticcodes to ensure
the garage door opener is working properly.
My door will not close and the light bulbs blink on my motor unit:
The safetyreversing sensor must be connected and aligned correctlybefore the garage
door opener will move in the down direction.
Verify the safety sensors are properly installed, aligned and free ofany obstructions.
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 lighton when the safety reversing sensors
have been obstructed or when the motion sensor on the door control detects movement in the garage. These
features can be disabled using the door control, see page 33.
My neighbor’s remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote control(s).
The LEDs on the door control blink:
If you have a Smart Control Panel installed and the TTC is set to a custom time,press the ONbutton on the
Premium Motion-Detecting Control Panel to setthe time properly.
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.
Troubleshooting
40


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