Troubleshooting - Chamberlain 8365W Manual

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
Up Arrow Flash(es) Down Arrow Flash(es)
1 1
1 2
1 3
1 4
1 5
1 6
2 1-5
3 2
SYMPTOM
The garage door opener will not close and the
light bulbs flash.
The garage door opener will not close and the
light bulbs flash.
The door control will not function.
The garage door opener will not close and the
light bulbs flash.
Door moves 6-8" (15-20 cm) stops or
reverses.
No movement, only a single click.
Opener hums for 1-2 seconds no movement. Manually open and close the door. Check for binding or obstructions, such as a broken
Door coasts after it has come to a complete
stop.
No movement, or sound.
Unable to set the travel or retain position.
SOLUTION
Safety reversing sensors are not installed, connected, or wires may be cut. Inspect sensor
wires for a disconnected or cut wire.
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.
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.
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.
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.
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.
spring or door lock, correct as needed. Replace motor if necessary.
Program travel to coasting position or have door balanced by a trained door systems
technician.
Replace logic board.
Check travel module for proper assembly, replace if necessary.
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