A red light on your modem typically means that your modem is not detecting an internet connection. Red is a colour that you generally don’t want to see on your router. In order to fix the red light, you will have to perform some steps like Asus merlin factory reset that will instantly troubleshoot your issue.

What Does the Red Light Mean?

A red light on an Asus router usually indicates a problem or a fault. If you see a red light, it basically explains one of the following:

No cable or DSL signal was detected on the line.

There is a possibility that your internet is out, or that there is a connection problem.

Failed authentication with your ISP

The router may not be able to connect to the internet. You can try and enter your credentials again. And you can also contact your internet service provider (ISP).

Modem failure

If the power button blinks red, then there may be an internal fault. In such a situation, it is best if you contact the manufacturer.

Troubleshooting Methods

Now that you know the reasons, make sure that you read further and learn How to fix Asus router blinking Red light to easily troubleshoot this issue without taking much time.

Method 1

Restart your router.

You will have to unplug your router and wait for thirty to sixty seconds. Then you can plug it back in and wait till the lights cycle and check if the red light goes away.

Method 2

Check your connections.

If you are using a cable router, then make sure to check the coaxial connections and see if they’re tight and not corroded. You can also check the phone line connections and ensure that the wires aren’t frayed. Also, tighten any loose connections if you see any.

Method 3

Try a different cable or phone outlet.

If your house has several phones and outlets, it is best if you try and connect it to a different one. By this, you’ll also be able to tell if there is a problem with the wiring or the connection. It’ll give you clarity.

Method 4

Check your internet credentials.

If your router admin portal can enter ISP login credentials, then please check that they’re entered correctly. Otherwise, you’ll have to contact the ISP.

Even after performing all the above-mentioned steps, if you are still facing an issue of red light blinking, then do not delay and contact your ISP. They have the required experience and knowledge, and they will be able to tell you about an internet outage, Asus router login , noise on the line, and other problems that are outside your control.