Arris / blinking red
Arris blinking red light
On Arris SURFboard modem or gateway hardware, a blinking red light usually signals a failed link, service loss, overheating, or hardware error depending on the model. Arris modems often expose upstream and downstream signal separately, which helps separate coax signal problems from Wi-Fi problems.
Short answer
What does a Arris blinking red light mean?
On Arris SURFboard modem or gateway hardware, a blinking red light usually signals a failed link, service loss, overheating, or hardware error depending on the model. Arris modems often expose upstream and downstream signal separately, which helps separate coax signal problems from Wi-Fi problems.
Arris modems often expose upstream and downstream signal separately, which helps separate coax signal problems from Wi-Fi problems.
Safe order
Check in this order
- Check for outage first, especially after storms or maintenance.
- Remove splitters or damaged patch cables from the path.
- Let the device cool if it is hot or covered.
- Call the provider if red returns after one full restart.
Light labels
What the nearby label changes
Before a factory reset
A reset can erase Wi-Fi names, passwords, port forwarding, and provider activation state. Use it only after power, cable, outage, and startup checks do not explain the light.
When to call support
Call the provider when Online, Internet, Broadband, US/DS, or Optical never reaches a steady normal state after one clean restart and cable check.
When Wi-Fi settings matter
Change Wi-Fi settings only when service lights are healthy but phones, laptops, or smart devices cannot join the wireless network.