Chamberlain WD832KEV Instruction Manual download pdf (Page 38)

Diagnostic Chart

Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWNarrows on the garage door opener flash the diagnosticcodes.

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.Inspectsafety sensor wire at all staple and

connection points, replace wire or correct asneeded

1 3 The door control will notfunction. The wires for the door control are shorted or the door control is faulty. Inspect safetysensor wire atall

staple points and connection points and replace wire or correctasneeded.

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 steadyand notflickering.Make sure nothing is hanging or mounted on the door that would

interruptthe sensor’s path while closing.

1 5 Door moves6-8" stops or reverses. Manuallyopen and close the door.Check for binding or obstructions,such asa broken spring or door

lock, correctas needed. Checkwiring connections attravel module and at the logic board. Replace

travel module if necessary.

No movement, only a single click. Manuallyopen and close the door. Check for binding or obstructions, such as a broken spring or door

lock, correctas needed. Replace logic board ifnecessary.

Opener hums for 1-2 seconds no movement. Manually open and close the door. Checkfor binding or obstructions,such asa broken spring or door

lock, correctas needed. Replace motor if necessary.

1 6 Door coastsafter ithas come to a complete stop. Program travel to coasting position or have door balanced bya trained door systemstechnician.

2 1-5 No movement, or sound. Replace logicboard.

3 2 Unable to setthe travel or retain position. Check travel module for proper assembly,replace if necessary.

Troubleshooting

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Chamberlain WD832KEV Instruction Manual Page 38