Troubleshooting
The modem lights indicate the current status of your cable modem. See Rear Panel Modem Lights to view lights related to the Ethernet connection. To troubleshoot any connection problems, use the table below.
Modem Light | Status | Problem |
POWER
![Power light](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_power_light.png) | Off | No power. Verify all cable connections and try resetting the modem. |
Flashing Blue | Power-on failed - briefly immediately after the device was powered on |
Solid Blue | None |
DS/US (Downstream / Upstream) ![Downstream / Upstream light](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_us_ds_light.png) | Flashing Blue | None - once every second while scanning DS, twice every second while registering the US
Note: A firmware upgrade is in progress when the Power and Online lights are solid. |
Solid Blue | None - locked to US and DS channels and registered OK |
ONLINE
![Online light](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_wireless_light.png) | Flashing Blue | None - obtaining IP address and configuration file |
Solid Blue | None - modem is operational |
2.4 GHz
![2.4 GHz light](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_us_ds_light.png) | Blue | None - WiFi is enabled at the 2.4 GHz frequency |
Off | 2.4 GHz WiFi is disabled |
5 GHz
![5 GHz light](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_us_ds_light.png) | Blue | None - WiFi is enabled at the 5 GHz frequency |
Off | 5 GHz WiFi is disabled |
WPS Button
![WPS button](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_wps.png) | White | Blinks for 4 minutes until a PIN is entered from the wireless client that you are connecting - For example, a laptop computer
Triggered when you press the WPS button or enable WPS via the device’s user interface. After the device connects successfully, the light remains on for five minutes, then turns off. |
Off | WPS signal not in use |
Rear Panel Modem Lights
The lights below indicate the connection status of your WiFi cable modem. To troubleshoot any connection problems, use the table below.
Port Light | Status | Problem |
ETH1 - ETH4
![Ethernet lights](https://www.cox.com/content/dam/cox/residential/support/internet/images/Ubee_ddw366_ethernet_ports.png) | Off | The device is not connected to the port. Verify all cable connections and try resetting the modem. |
Flashing Green | None. A device is connected to the port at 1000 Mbps speeds, and data passes between the cable modem and the connected device. |
Flashing Orange | None. A device is connected at 10/100 Mbps speeds, and data passes between the cable modem and the connected device. |