Troubleshooting - Craftsman 139.3043 Owner's Manual

DIAGNOSTIC CHART
Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWNarrows on the garage door opener flash
the diagnostic codes.
DIAGNOSTIC UP DOWN SYMPTOM CAUSE RESOLUTION
CODE ARROW ARROW
3-3 3 FLASHES 3 FLASHES The garage door Battery LEDflashing
opener is idle and Green, charging
the battery LEDis circuit stops and
constantly flashing starts to drain
green causing battery
charging status.
4-1 4 FLASHES 1 FLASH Door is closing, Obstruction, binding
stops and reverses or sticking door
Replacethe logic board.
If your door is binding or sticking, contact a
trained door systems technician. If your
door is okay, reprogram the travel, refer to
page 28. If you get this error code after
testing the safety reversal system, close the
door to reset the code.
4-2 4FLASHES 2 FLASHES The door stops Obstruction, binding
while opening for no or sticking door
apparent reason
4-3 4 FLASHES 3 FLASHES The door reverses Obstruction, binding
for no apparent or sticking door
reason or after
touching the floor
4-4 4 FLASHES 4 FLASHES My door reverses Obstruction, binding
for no apparent or sticking door
reason or after
touching the floor
4-5 4 FLASHES 5 FLASHES The opener runs Communication
approximately 6-8" error to travel
and stops and/or module
reverses
4-6 4 FLASHES 6 FLASHES The door reverses
for no apparent
reason while
traveling down
Safety sensors were
temporarily
obstructed or
misaligned
Manually open and close the door. Check
for binding or obstructions. For further
information refer to page 2.
If your door is binding or sticking, contact a
trained door systems technician. If your
door is okay, reprogram the travel, refer to
page 28.
Manually open and close the door. Check
for binding or obstructions. For further
information refer to page 2.
Disconnect all power, remove cover, and
locate the travel module. Ensure the wires
for travel module are connected, if wires are
connected, then replace the travel module.
ReviewDiagnostic Codes 1-1, 1-2, and 1-4
correct as necessary. If problem persists
remove the sensors from the brackets and
realign the sensors ensuring the LED's are
steady and not flickering. Checkfor a
temporary obstruction such as a rope
attached to the door. Excessivevibration on
the door rails may cause the sensors to be
misaligned while the door is closing, secure
rails or re-install the sensor brackets to the
wall or floor, refer to page 24.
These are additional troubleshooting issues that will not show up
in the diagnostic codes:
My garage door opener beeps every30 seconds:
Refer to the Battery Status LEDsection on page 30.
My remote controlwill not activate the door:
• Verify the Lock feature is not activated on the door control.
• Reprogram the remote control.
• If the remote control will still not activate the door check the
diagnostic codes to ensure the garage door opener is working
properly.
• Ensure both antenna wires are hanging down from the garage
door opener.
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
in the garage. These features can be disabled using the door
control, refer to the Door Control section.
My neighbor'sremote control opens my garage door:
Erasethe memory from your garage door opener and reprogram
the remote control(s).
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