Lowrance Active Target Power Light Flashing? (9 Things To Know)

lowrance active target power light flashing
lowrance active target power light flashing

It is pretty natural to get overwhelmed when looking at systems from Lowrance and Garmin.

This sonar or tracking systems are not that easy to adjust! You will need to educate yourself on the initial setup as well as the basic maintenance.

Yes, it might take some time, and you will get confused at times. However, increasing your understanding of the basic setup will put you far ahead of other anglers when it comes to finding better fishing spots.

So, if you’re aiming to up your fishing game, try learning about these sonar systems.

Ignoring the maintenance will lead to several issues. These issues can range from minor problems like the module flickering to major problems like hardware issues.

So, we will stress the fact that you need to first increase your understanding of the sonar system installed on your boat.

You may have seen the “Power” LED light on your Lowrance Active Target module flickering a green/orange pattern. You may wonder whether there is anything wrong with your computer or network.

Lowrance Active Target Power Light Flashing:

  1.       Press power button

Your backlight was probably mistakenly switched off when you shut down your device. If your display comes on, it shows the blue Lowrance screen and goes completely black.

Just press the “Power” button a few times until the screen comes back on after the computer has been switched on and the screen is black. Don’t keep pressing and releasing the “Power” button; press and remove it.

  1.       Electrical Noise

Lines on a boat with other electrical gadgets may appear on display. Shut off all electrical gadgets on the ship to find where the noise comes from. Remove all other devices from their sockets.

Powering up other devices one by one until the lines emerge again is a good strategy. You may have to move the Lowrance unit’s connections out of the way of the issue source.


  1.       Stable ground connection

Make sure that all of your electrical connections are spotless, and check to see that your power supply has a link to the earth that is rock strong. If it does not work, you may do a factory reset by following the instructions in this post.

Download the most recent version of the software compatible with your device from our website, lowrance.com, and then check to see that it is also up to date.

  1.       Touch-Screen

Menus may be used to configure your device’s interface if it has a touch screen. There is an option to calibrate the screen. Get started by pressing the button.

  1.       Update the Software

Make sure your computer is up to date with the latest software. Take a look at Lowrance.com’s Software Update section. In addition, the upgrades are free of charge.


  1.       Check The Power Flow

Now, the issue might not always be with the programming side of things. You need to also look at some of the more complicated fixes that involve the power flow to the system.

Yes, the power flow can create issues with the lights flickering and you will not be able to get a reasonable response from the system.

The thing that you need to check here is the power supplied by the battery. If the power flow is less than the demands of the sonar system, then you will likely run into these errors.

The only thing that you can do to consistently tackle these issues is to adjust the power flow.

You might even need to replace the battery if it is in poor shape.

However, it won’t come to that in most situations and you can check up on the connection points and clean them up a bit to get a reasonable response from the system.

If you’re unsure or can’t seem to figure out the situation, just check the power flow with a multimeter.

You can rely on the multimeter to check the power flowing out of the battery. This will help you figure out whether or not the battery is in good shape. 


Hopefully, you will be able to figure out the situation without going through too much hassle. So, be sure to check up on the power side of things, and you will be able to grasp the situation.

  1.       There Might Be Hardware Or Wiring Issues

At this point, you need to just call it a day and consider the possibility of the hardware issues.

There is a chance that the unit got damaged during installation or a power surge creates issues with the device itself. So, you will have to figure out and address these errors accordingly.

All of your focus should b eon checking up on the hunt for cracks and damages. If you do find there to be cracks and damaged sections, then you need to grab a fresh piece.

Otherwise, you will simply be holding yourself back and the performance from this system will be suboptimal.

There are simply no methods or techniques that can help you fix a damaged sonar system. Yes, you can test out your luck with a few methods here and there, but the performance will never be the same.

So, instead of trying out your luck with all of these different methods, we will point you towards a fresh piece. Yes, you need to grab a new unit that won’t present you with the same flickering issues.

  1.   Reset the Unit


Unexpected display issues may occasionally be resolved by resetting your equipment. To learn how to do a factory reset on your specific device, visit the main page of our knowledge base.

In the search bar, type in the model number of your Lowrance device and the words “Unit, Manual, and Accessories.”.

The one with your model can choose from the results list.

The product information page will provide reset instructions at the bottom. First, do a Soft Reset to restore your device’s original factory settings.

Preserve any critical data on an MMC or SD card or write it down before doing a Hard Reset. During this operation, all of the data will be wiped clean.

  1.   Ask The Dealer

Lastly, if the response from the system is still not optimal even after trying out all of these fixes, then you need to ask the official dealer.

There is no point in trying to fo through these errors on your own, and you need to have an expert help you fix the flickering light in Lowrance AT.

While the possibility of having a defective system is not that much, it is still present.

So, you need to get help and have the dealer or the official support team members help you out. These professionals will make your life easier.

The only thing that is a requirement from you is to list your issues.

From there, you can further detail the error, and then ask for guidance. The experts will go over your case and then ask you to provide more details regarding different aspects. 

You just have to follow through with the pointers listed by these experts, and you’ll surely have an amazing time. Hopefully, you will be sorted out in no time and the errors will be fixed rather quickly.

So, be sure to engage the dealer or the official support member.

Wrapping Up

When you browse through the manual, you will find that the flickering situation with the unit and the basic response from the light doesn’t indicate any errors.

Instead, it points towards the basic functionality of the system (showing that the unit is up and running).

So, you don’t need to get alarmed when the light is flickering. As long as the features are working properly and the responsiveness of the system is not bad, you’re in complete control.

On the other hand, if that is not the case, and the device is not responding, then the situation can get tricky.

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