How do I fix the Unable to Connect Coax Bridge Error on my Set

The “Unable to Connect Coax Bridge” error is a common issue that can occur with set-top boxes. This error can be frustrating, but there are several troubleshooting steps you can take to resolve it. This guide will walk you through these steps in a clear, easy-to-understand manner.

Part 1: Restart Your Modem

The first step in resolving the “Unable to Connect Coax Bridge” error is to restart your modem. Here’s how:

  1. Unplug the modem’s power cable from the wall outlet and wait 2 minutes.
  2. After 2 minutes, plug the cable back in.
  3. Wait until all sync lights on the front of the modem are back on. The POWER light should be solid green, the up and down arrow lights should be solid blue.

Please note: This type of modem can take up to 15 minutes to fully connect to the network but we will usually see it sync within 3-5 mins.

Part 2: Restart Your Set-Top Box

If restarting your modem doesn’t resolve the issue, the next step is to restart your set-top box. Here’s how:

  1. Unplug the power cable of the set-top box from the wall outlet and wait 20 seconds.
  2. After 20 seconds, plug the cable back in and wait for the set-top box to boot up and turn on your TV.

Part 3: Advanced Troubleshooting

If the error still occurs after restarting your modem and set-top box, you may need to perform some advanced troubleshooting steps. Here’s what you need to do:

  1. Reboot your set-top box again by following the above two steps, but this time, when the screen shows “Press Menu to Select Network Interface” press the MENU button on your remote.
  2. After you press MENU, this will bring up a screen asking you what network you want to connect to.
  3. With AUTO highlighted in blue, press the OK button on your remote to access the dropdown menu.
  4. Here you must select the correct connection option: Look on the back of your set-top box. If you have a coaxial cable connected, choose the COAX option. Otherwise, choose ETHERNET. Arrow down to the appropriate option and click OK on your remote to make your choice.
  5. Next, navigate down to SUBMIT and click OK on your remote.
  6. Next, arrow down to the REBOOT button and click OK on your remote. Your set-top box should now reboot correctly without the error message.

Additional Steps to Try If Error Persists

If the error still persists after performing the above steps, there are some additional steps you can try:

  1. Remove the coaxial cable and power cable from the set-top box for about 1 minute.
  2. Plug the coaxial cable back in. When re-adding the coax be sure to thread it correctly and make sure it is tight.
  3. Then power up the set-top box.

If you are still experiencing issues after following these steps, please call your service provider’s Customer Care department.


The “Unable to Connect Coax Bridge” error can be a nuisance, but with these troubleshooting steps, you should be able to resolve the issue and get your set-top box working properly again. Remember, if all else fails, don’t hesitate to reach out to your service provider’s Customer Care department for further assistance.

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