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Diagnostic Chart
Your garage door opener isprogrammed with self-diagnostic capabilities.The UP and DOWNarrows on the garage door opener flash the diagnostic codes.
DIAGNOSTIC CODE SYMPTOM SOLUTION
Up Arrow Flash
(es)
Down Arrow
Flash(es)
1 1
The garage door opener will not close and the light bulbs flash. Safety sensors are notinstalled,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 safetysensors.Inspect safety sensor wire at all staple and
connection points, replace wire or correctasneeded.
1 3
The door control will notfunction. 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 sensors are misaligned or were momentarily obstructed. Realign both sensors to ensure both
LEDs are steady and notflickering. Make sure nothing ishanging or mounted on the door thatwould
interruptthe sensor’s path while closing.
1 5
Door moves6-8" stopsor reverses. Manuallyopen and close the door. Check for binding or obstructions,such as a broken spring or door
lock, correctas needed. Checkwiring 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, correctas needed. Replace logicboard if necessary.
Opener hums for 1-2 seconds no movement. Manuallyopen and close the door. Check for binding or obstructions,such as a broken spring or door
lock, correctas needed. Replace motor if necessary.
1 6
Door coastsafter 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.
Troubleshooting
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