TROUBLESHOOTING

DIAGNOSTICCHART

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

DIAGNOSTIC UPDOWN

CODE ARROW ARROW

1-11 FLASH 1 FLASH

SYMPTOM

CAUSE

RESOLUTION

The garagedoor

Safety sensors are

Inspect sensor wires for a disconnected or

opener will not

notinstalled,

cut wire(s). If the sending sensor with the

close and the

connected,or wires

amber LEDis NOTlit, check the wire and

light(s) willflash

may be cut

connections for that sensor. If sending

 

 

sensor LED is lit, check the wire

 

 

connections leading to the receiving

 

 

sensor (green LED). Reattachwire or

 

 

replacewire (22 gaugewire) as needed. If

 

 

pre-wired home, check the splices. See

 

 

page24 for installation. Closethe garage

 

 

door using the remote control or the door

 

 

control.

1-21 FLASH 2 FLASHES

The garagedoor

Safety sensor wire

opener will not

shorted or reversed

close and the

 

light(s) willflash

 

Inspect sensor wire for incorrect wiring or a pinched wire. If the sending sensor (amber LED) is not lit, check the wire leadingto and from that sensor. Check staple points. If sending sensor LED is lit, check the wire leadingto the receiving sensor (green LED). Reattachwire or replacewire (22 gaugewire) as needed. If pre-wired home, check the splices. See page24 for installation. Closethe garage door using the remote control or the door control.

1-31 FLASH 3 FLASHES

Wall-mounted door

The wires for the

Inspect door control wires for a short

control will not

door control are

(staple in wire), replacewire (22 gauge

function

shorted or the door

wire) as needed.After installing new door

 

control is faulty

control wires, if door control still does not

 

 

operate garagedoor opener, replacethe

 

 

door control.

1-41 FLASH 4 FLASHES

The garagedoor

Misaligned or

opener will not

obstructed safe_

close the doorand

sensors

thelight(s)flash

 

Realignthe receiving sensor (green LED) by ensuring the LED is steady and not flickering. A flicker of the safety sensor LEDindicates a misalignment. Make sure nothing is hanging or mounted on the door interrupting the sensor'spath while

closing. Closethe garage door using the remote control or the door control.

The garagedoor

Bad logic board

Replacethe logic board.

opener clicks but no

 

 

movement

 

 

1-5

1 FLASH

5 FLASHES

The opener runs

Communication

approximately 6-8"

error to travel

 

 

 

 

 

 

and stops and/or

module

 

 

 

reverses

 

Disconnect all power, remove cover, and locatethe travel module. Ensurethe wires

for travel module are connected, if wires

areconnected, then replacethe travel module.

36

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Image 36
Craftsman 139.3043 owner manual Diagnosticchart, Flash 2 Flashes, Flash 3 Flashes, Flash 4 Flashes, Flash Flashes

139.3043 specifications

The Craftsman 139.3043 garage door opener stands out as a robust and reliable solution for homeowners looking to enhance the functionality and security of their garage spaces. This model is designed with the latest technologies and features, making it one of the preferred choices in the market.

One of the key features of the Craftsman 139.3043 is its powerful motor, which provides a smooth and quiet operation. With a lifting capacity that accommodates most standard residential garage doors, this opener ensures that users can operate their doors seamlessly without unnecessary noise. The blend of power and quiet functionality enhances the overall user experience, making it ideal for homes with bedrooms or living areas adjacent to the garage.

The opener also boasts a durable rail system, designed for easy installation and longevity. The straightforward design simplifies the installation process, enabling a typical DIY enthusiast to set it up without the need for professional assistance. Additionally, the sturdy construction of the rail system ensures that it can withstand the rigors of daily use.

Safety and security are paramount with the Craftsman 139.3043. It incorporates advanced safety features, such as the automatic reverse function, which prevents accidents by reversing the door's motion when an obstacle is detected. This feature adds peace of mind for families with children and pets. Furthermore, the built-in security technology includes a rolling code system that changes the access code each time the remote is used, thus protecting against potential unauthorized access.

The Craftsman 139.3043 is equipped with remote control capabilities, allowing users to open and close their garage doors from a distance. The remote is designed to be user-friendly, with buttons that are easy to operate. Additionally, many models include a smartphone app integration, empowering users to control their garage door via their mobile devices, providing convenience and modern accessibility.

Another notable characteristic is the vibrant LED lighting that illuminates the garage space when the door is in use. This not only enhances visibility but also contributes to the overall safety of the area, preventing accidents in dimly lit environments.

In summary, the Craftsman 139.3043 garage door opener combines power, ease of use, advanced safety features, and modern technology. Its reliable performance and user-friendly elements make it a top choice for homeowners seeking an effective solution to their garage door needs.