Troubleshooting - Craftsman 139.10158 Owner's Manual

TROUBLESHOOTING

UP ARROW DOWN ARROW
FLASH(ES) FLASH(ES)
4
4
My garage door opener beeps:
A visual and audible alert that an unattended door is closing
l
from a garage door monitor, Craftsman Garage Door Opener
Connectivity Hub, or Timer-to-Close.
My remote control will not activate the garage door:
Verify the lock feature is not activated on the door control.
l
Reprogram the remote control.
l
If the remote control will still not activate the door check the
l
diagnostic codes to ensure the garage door opener is working
properly.
My door will not close and the light bulbs blink on my motor
unit:
The safety reversing sensor must be connected and aligned
correctly before the garage door opener will move in the down
direction.
Verify the safety sensors are properly installed, aligned and
l
free of any obstructions.
SYMPTOM
Opener runs approximately 6-8"
5
(15-20 cm), stops and reverses.
The garage door opener will not
6
close and the light bulbs flash.
Communication error to travel module. Check travel module
connections, replace travel module if necessary.
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.
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.
My neighbor's remote control opens my garage door:
Erase the memory from your garage door opener and reprogram
the remote control(s).
36
SOLUTION