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TROUBLESHOOTING
DIAGNOSTIC CHART
Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash the diagnostic codes.
UP ARROW
FLASH(ES)
DOWN
ARROW
FLASH(ES)
SYMPTOM SOLUTION
1 1
The garage door opener will
not close.
Safety reversing sensors are not installed, connected, or wires may be cut. Inspect sensor wires
for a disconnected or cut wire.
1 2
The garage door opener will
not close.
There is a short or reversed wire for the safety reversing sensors. Inspect safety sensor wire at
all staple and connection points, replace wire or correct as needed.
1 3
The door control will not
function.
The wires for the door control are shorted or the door control is faulty. Inspect door control wires
at all staple and connection points, replace wire or correct as needed.
1 4
The garage door opener will
not close.
Safety reversing 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.
1 5
Door moves 6-8" (15-20 cm)
stops or reverses.
Manually open and close the door. Check for binding or obstructions, such as a broken spring
or door lock, correct as needed. Check wiring connections at travel module and at the logic
board. Replace travel module if necessary.
No movement, only a single
click.
Manually open and close the door. Check for binding or obstructions, such as a broken spring
or door lock, correct as needed. Replace logic board if necessary.
Opener hums for 1-2 seconds
no movement.
Manually open and close the door. Check for binding or obstructions, such as a broken spring
or door lock, correct as needed. Replace motor if necessary.
1 6
Door coasts after it has come
to a complete stop.
Program travel to coasting position or have door balanced by a trained door systems technician.
2 1-5
No movement, or sound. Replace logic board.
3 2
Unable to set the travel or
retain position.
Check travel module for proper assembly, replace if necessary.
4 1-4
Door is moving, stops or
reverses. Opener beeps and
lights flash.
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 30).
4 5
Opener runs approximately
6-8" (15-20 cm), 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 .
Safety reversing 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.
These are additional troubleshooting issues that will not show up in the
diagnostic codes:
My garage door opener stops, reverses, beeps and flashes its lights:
•
Garage door opener has been activated through a device or feature
such as Timer-to-Close or garage door monitor.
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 not activate the door check the
diagnostic codes to ensure the garage door opener is working
properly.
My door will not close:
The safety reversing sensor must be connected and aligned correctly before
the garage door opener will move in the down direction.
•
Check for binding or obstructions anywhere along the track to
garage floor.
•
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 obstructions.
My neighbor’s remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote
control(s).
38
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