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Arris Modem Lights: Meanings, blinking & Troubleshoot, Solutions!

If you’re an Optimum customer and want to purchase an internet modem that works flawlessly with your Internet plan, then we would like to state that the Arris Surfboard SB8200 modem is a great option. It doesn’t matter what method you use; the modem can be used with any plan.

If you have recently purchased the Arris modem or are experiencing connectivity issues with your existing device, it’s essential to know its light and significance. These handy indicators have immense value and will aid in understanding the status of your modem or Internet.

In the case of the Internet, networking devices are prone to malfunctioning for many reasons, such as modem problems, ISP issues, congestion, or a problem with a specific brand. But, pinpointing the cause may be difficult if one is unaware of the meanings of the LED indicators on Modems from Arris.


There’s no need to provide more details about the power light. The light won’t be flashing. It’s either on or off. If it’s turned on, it signals that the modem is connected to the power.

If this light appears to be off, the modem may not be connected or isn’t correctly connected to the outlet. If this is the situation, test the cable connections or, if you’re using surge, power strips, or protectors, attach the modem straight to an electrical outlet.


This signifies that the modem receives the packets (bits of data) via the Internet, and the signal is received. The light may change hues if you use more than one bandwidth, like 2.4GHz and the faster 5GHz.


The flashing SEND light indicates that your router has been looking for an upstream channel. Similar to the RECEIVE light, if it’s green, it signifies that the connection has been established within DOCSIS 3.0 mode. Likewise, If it’s a solid blue, it’s connected to DOCSIS 3.1 mode.

Please be aware that DOCSIS 3.1 is not available worldwide, so you’d need to ask your ISP whether it’s accessible.

Online Light

The Online Light, when it’s green, indicates means that the Arris modem is working correctly.

This light, similar to the light for power, can be simple to grasp: if the light is green, everything is fine. If not, there are some issues to solve.

The Optimum Arris Modem Lights Basic Troubleshooting

If you’ve noticed the color of light and behavior are not typical, you should begin with some simple troubleshooting. Here are known and proven solutions for the most frequent problems.

Make Sure You Check Every Cable

USB, Ethernet, and Coaxial cables may initially seem insignificant, and in most cases, they’re. But, if they’re not correctly connected or, even worse, damaged or frayed, the cables will stop your modem from functioning.

If you’re having issues with Wi-Fi, ensure each cable is connected correctly, not just at the end of the modem but also at another end (the wall or your computer)!

Internet Outage

The ISP is the issue that has caused the provider of cable services to be currently in maintenance, and there is no internet being provided. The best option is to contact them and request a time frame for the connection to be back up and running.

Energy Light Solid Red

The modem is not able to charge fully. It could be due to an incompatible power adapter, loose power connector, or an internal hardware problem.

However, this isn’t something you can fix at home, and even if it’s not resolved after a restart or even an unreset, you’ll have to get your device set up by certified technicians.

Old Firmware or Configuration

Yes, outdated and out-of-date Modems from Arris are available. Then, they could shut off internet connectivity due to the old settings and the firmware. To fix the issue, you may flash the same firmware using third-party alternatives.

The meaning of Arris Modem’s lights

Investing in an Arris Modem is an excellent way to maximize the benefits of your internet service.

It’s hard to imagine the modems causing problems considering that they can manage speeds of up to 1GB; however, that happens when the modem’s lights begin blinking and disappear!

Each Arris modem comes with 4 to six lights. Each one lets you know the status of your connection to the Internet.

You can resolve issues quickly and efficiently by using these tools to pinpoint your problems with your internet connection.

How do I reset a Modem Arris?

If you reset the Arris modem, you’ll return it to its factory default settings. This includes passwords and static IP address route forwarding and port forwarding DNS, customized wireless and DHCP settings, and others.

There are two methods to reset your Arris modem.

The first step is disconnecting it for 30 seconds before plugging it back in. This is a tried and true IT tip that has never failed!
The second option is to use the “reset” button on your device’s rear. Pressing it until 10 seconds resets your router, possibly fixing your Wi-Fi issues quickly.

The wrapping up

You can troubleshoot issues with your Arris modem using various methods to determine solutions to your problems. For instance, if the light on your online screen keeps blinking, ensure you’ve correctly connected your coaxial cable.

The easiest solution is to power-cycle your gateway to allow the device to establish the connection. If you cannot solve the issue, you can contact the customer support department.

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