Craftsman 54985 ユーザーズマニュアル
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.
Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash
the diagnostic codes.
UP ARROW
FLASH(ES)
DOWN ARROW
FLASH(ES)
SYMPTOM
SOLUTION
1
1
The garage door opener will not
close and the light bulbs flash.
close and the light bulbs flash.
Safety sensors are not installed, connected, or wires may be
cut. Inspect sensor wires for a disconnected or cut wire.
cut. Inspect sensor wires for a disconnected or cut wire.
1
2
The garage door opener will not
close and the light bulbs flash.
close and the light bulbs flash.
There is a short or reversed wire for the safety sensors. Inspect
safety sensor wire at all staple and connection points, replace
wire or correct as needed.
safety sensor wire at all staple and connection points, replace
wire or correct as needed.
1
3
The door control will not
function.
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.
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.
close and the light bulbs flash.
Safety 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.
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" stops or
reverses.
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.
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.
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.
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.
movement.
Opener hums for 1-2 seconds no movement.
1
6
Door coasts after it has come to a
complete stop.
complete stop.
Program travel to coasting position or have door balanced by a
trained door systems technician.
trained door systems technician.
2
1-5
No movement, or sound.
Replace logic board.
3
2
Unable to set the travel or retain
position.
position.
Check travel module for proper assembly, replace if necessary.
35