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39
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.
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. 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.
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