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

UP ARROW

DOWN

SYMPTOM

CAUSE

RESOLUTION

CODE

 

ARROW

 

 

 

 

 

 

 

 

 

4-1

4 FLASHES

1 FLASH

Door is closing, stops and

Obstruction, binding or

If your door is binding or sticking, contact a trained door systems technician. If

 

 

 

reverses

sticking door

your door is okay, reprogram the travel, refer to page 30.

 

 

 

 

 

 

4-2

4 FLASHES

2 FLASHES

The door stops while

Obstruction, binding or

Manually open and close the door. Check for binding or obstructions. For further

 

 

 

opening for no apparent

sticking door

information refer to page 2.

 

 

 

reason

 

 

 

 

 

 

 

 

4-3

4 FLASHES

3 FLASHES

The door reverses for no

Obstruction, binding or

If your door is binding or sticking, contact a trained door systems technician. If

 

 

 

apparent reason or after

sticking door

your door is okay, reprogram the travel, refer to page 30.

 

 

 

touching the floor

 

 

 

 

 

 

 

 

4-4

4 FLASHES

4 FLASHES

My door reverses for no

Obstruction, binding or

Manually open and close the door. Check for binding or obstructions. For further

 

 

 

apparent reason or after

sticking door

information refer to page 2.

 

 

 

touching the floor

 

 

 

 

 

 

 

 

4-5

4 FLASHES

5 FLASHES

The opener runs

Communication error to

Disconnect all power, remove cover, and locate the travel module. Ensure the

 

 

 

approximately 6-8" and stops

travel module

wires for travel module are connected, if wires are connected, then replace the

 

 

 

and/or reverses

 

travel module.

 

 

 

 

 

 

4-6

4 FLASHES

6 FLASHES

The door reverses for no

Safety sensors were

Review Diagnostic Codes 1-1, 1-2, and 1-4 correct as necessary. If problem

 

 

 

apparent reason while

temporarily obstructed or

persists remove the sensors from the brackets and realign the sensors ensuring

 

 

 

traveling down

misaligned

the LED’s are steady and not flickering. Check for a temporary obstruction such

 

 

 

 

 

as a rope attached to the door. Excessive vibration on the door rails may cause

 

 

 

 

 

the sensors to be misaligned while the door is closing, secure rails or re-install

 

 

 

 

 

the sensor brackets to the wall or floor, refer to page 24.

These are additional troubleshooting issues that will not show up in the diagnostic codes:

My garage door opener beeps every 30 seconds:

Refer to the Battery Status LED section on page 33.

My remote control will not activate the 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.

•Ensure both antenna wires are hanging down from the garage door opener.

My garage door opener light(s) will not turn off when the door is open:

The garage door opener is equipped with a feature that turns the light on when the safety reversing sensors have been obstructed or when the motion sensor on the door control detects movement in the garage. These features can be disabled using the door control, refer to the Door Control section.

My neighbor’s remote control opens my garage door:

44 Erase the memory from your garage door opener and reprogram the remote control(s).