How to Guide

Diagnostic Chart

Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrowson 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 reversing sensors are not installed, connected, or wires may be cut. Inspectsensor 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. Inspectsafety 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 correctas 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, correctas 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, correctas needed. Replace logic board if necessary.

Opener humsfor 1-2 seconds no movement.

Manually open 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 systemstechnician.

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 ifnecessary.

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. If the door is binding or sticking contacta trained door systems technician. If

door is not binding or sticking attempt to reprogram travel (refer to page 30).

Troubleshooting