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Dokument informacyjny #55

Power/Cable LED flashes

The FRITZ!Box's Power LED flashes? ✔ Here you can find out what this means and how to solve the problem.

As soon as you connect your FRITZ!Box to the cable socket, the FRITZ!Box establishes a connection to your cable provider. This can take up to 20 minutes. During this time, the Power/Cable LED on the FRITZ!Box flashes and then stays lit as soon as the connection has been established.

This guide shows you how to resolve the following error:

  • The FRITZ!Box's Power/Cable LED continues to flash after 20 minutes and you cannot connect to the internet.

Simply proceed as described below. After each measure, check whether the problem is solved.

1 Unlocking your FRITZ!Box

If you purchased your FRITZ!Box from a retailer, your cable provider must unlock it first:

Important:In Germany, you can only use the FRITZ!Box 6490 Cable with the article number 20002778 with all cable connections. Models with other AVM article numbers are not intended for use with all cable connections.

Serial number and CM MAC on the bottom of the FRITZ!Box
  1. Have your cable provider unlock your FRITZ!Box. Depending on the provider, you can either use an activation portal or call their customer service to activate it.
    • With some providers, the serial number and the "CM MAC" address on the bottom of the FRITZ!Box are required to unlock it.

2 Restarting the FRITZ!Box

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Backup" in the "System" menu.
  3. Click on the "Restart" tab.
  4. Click the "Restart" button.

After the FRITZ!Box has restarted, it re-establishes a connection to the cable provider. Depending on the signal strength and the way your connection is configured, this may take up to 20 minutes. During this time, the Power LED on the FRITZ!Box flashes and then stays lit as soon as the connection has been established.

3 Checking the cabling

  1. Use the coaxial cable included with delivery to connect the FRITZ!Box directly to the first multimedia socket. If a cable technician performed the original installation, use the coaxial cable (without an extension) provided by the technician to connect the FRITZ!Box with the multimedia socket used by the technician.

4 Contacting your provider

  1. Contact your cable provider.
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