Verizon Fios Error Code 1100: How to Fix It

Easy 30-60 minutes (including wait time) Medium Severity Verified June 2026
Error Code
Error 1100
Brand
Verizon Fios
Product Type
networking
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes (including wait time)
Verizon Fios Error Code 1100 appears when your cable box is not authorized or activated on your account. This typically happens with new installations, equipment swaps, or when service has been temporarily suspended.
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Tools You'll Need

How to Fix Error Code Error 1100

  1. Check all cable connections

  2. Power cycle your cable box

    Wait for the box to completely restart before proceeding to avoid interrupting the boot process.
  3. Verify your account status

  4. Contact Verizon customer service

  5. Wait for activation signal

  6. Perform final power cycle

Parts You May Need

Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
Replacement cable box
Check Price on Amazon
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When to Call a Professional

Call Verizon customer service immediately as Error 1100 requires account-level authorization that only they can provide. If the error persists after multiple activation attempts, request a technician visit to check signal strength and equipment functionality.

Frequently Asked Questions

Why does Verizon Fios Error 1100 appear?
Error 1100 appears when your cable box is not authorized on your Verizon account. This commonly happens with new installations, equipment replacements, or when service has been temporarily suspended due to billing issues.
How long does it take to fix Verizon Error 1100?
Once you contact Verizon customer service, the activation process typically takes 15-30 minutes. The actual call usually takes 5-10 minutes, but you need to wait for the activation signal to reach your cable box.
Can I fix Verizon Error 1100 without calling customer service?
No, Error 1100 requires account-level authorization that only Verizon customer service can provide. While you can try basic troubleshooting like checking connections and power cycling, activation must be done by Verizon.
What information do I need when calling Verizon about Error 1100?
Have your account number, phone number associated with the account, and the serial number of your cable box ready. The serial number is usually located on a sticker on the back or bottom of the device.
Will I lose my recorded shows when fixing Error 1100?
No, fixing Error 1100 through activation will not delete your recorded programs. However, if Verizon needs to replace your cable box, you may lose recordings stored on that specific device unless you have cloud DVR service.