How to Guide

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 and
the light bulbs flash.
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 and
the light bulbs flash.
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 and
the light bulbs flash.
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. 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).
40