Craftsman 139.3043 Diagnostic UP Down, Arrow Flashes, 4FLASHES Flashes, Flashes 6 Flashes

DIAGNOSTICCHART

Your garagedoor opener is programmed with self-diagnostic capabilities. The UP and DOWNarrows on the garage door openerflash the diagnostic codes.

DIAGNOSTIC UP		DOWN	SYMPTOM	CAUSE	RESOLUTION
CODE	ARROW	ARROW
3-3	3 FLASHES	3 FLASHES	The garagedoor	Battery LEDflashing	Replacethe logic board.
			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	If your door is binding or sticking, contact a
			stops and reverses	or sticking door	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 reversalsystem, close the
					door to reset the code.
4-2	4FLASHES	2 FLASHES	The door stops	Obstruction, binding	Manually open and close the door. Check
			while opening for no	or sticking door	for binding or obstructions. For further
			apparent reason		information refer to page 2.
4-3	4 FLASHES	3 FLASHES	The door reverses	Obstruction, binding	If your door is binding or sticking, contact a
			for no apparent	or sticking door	trained door systems technician. If your
			reason or after		door is okay, reprogram the travel, refer to
			touching the floor		page 28.
4-4	4 FLASHES	4 FLASHES	My door reverses	Obstruction, binding	Manually open and close the door. Check
			for no apparent	or sticking door	for binding or obstructions. For further
			reason or after		information refer to page 2.
			touching the floor
4-5	4 FLASHES	5 FLASHES	The opener runs	Communication	Disconnect all power, remove cover, and
			approximately 6-8"	error to travel	locate the travel module. Ensure the wires
			and stops and/or	module	for travel module are connected, if wires are
			reverses		connected, then replace the travel module.
4-6	4 FLASHES 6 FLASHES		The door reverses	Safety sensors were	ReviewDiagnostic Codes1-1, 1-2, and 1-4
			for no apparent	temporarily	correct as necessary. If problem persists
			reason while	obstructed or	removethe sensors from the brackets and
			traveling down	misaligned	realignthe sensors ensuring the LED'sare
					steady and not flickering. Checkfor a

temporary obstruction such as a rope attached to the door. Excessivevibration on

the door rails may causethe sensors to be misaligned while the door is closing, secure rails or re-install the sensor brackets to the wall or floor, refer to page24.

Theseare 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 page30.

My remote controlwill not activate the door:

•Verify the Lock feature is not activated on the door control.

•Reprogramthe remote control.

•If the remote control will still not activatethe 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. Thesefeatures 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 garagedoor opener and reprogram the remote control(s).

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