Craftsman 139.55918 Manual Del Propietário página 37

TROUBLESHOOTING
UP ARROW DOWN ARROW
FLASH(ES) FLASH(ES)
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These are additional troubleshooting issues that will not show up
in the diagnostic codes:
My garage door opener beeps every 30 seconds:
Operating on battery power or the 12 Vdc battery needs to be
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replaced. See page 31.
Garage door opener has been activated through a device such
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as Timer-to-Close, garage door monitor or AssureLink
Internet Gateway, see page 33.
My remote control will not activate the garage door:
Verify the lock feature is not activated on the door control.
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Reprogram the remote control.
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If the remote control will still not activate the door check the
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diagnostic codes to ensure the garage door opener is working
properly.
Ensure both antenna wires are hanging down from the garage
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door opener.
SYMPTOM
Door is moving stops or reverses. Manually open and close the door. Check for binding or
5 Opener runs approximately 6-8",
stops and reverses.
6 The garage door opener will not
close and the light bulbs flash.
obstructions, such as a broken spring or door lock, correct as
needed. If the door is binding or sticking contact a trained
door systems technician. If door is not binding or sticking
attempt to reprogram travel (refer to page 28).
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
or when the motion sensor on the door control detects movement
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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:
Erase the memory from your garage door opener and reprogram
the remote control(s).
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SOLUTION