Verizon Fios Error Code 8311: How to Fix It
Easy 15-30 minutes Low Severity
Verified June 2026
- Error Code
- Error 8311
- Brand
- Verizon Fios
- Product Type
- networking
- Severity
- Low
- DIY Difficulty
- Easy
- Estimated Fix Time
- 15-30 minutes
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Tools You'll Need
- Remote control
- Computer or smartphone for account access
How to Fix Error Code Error 8311
-
Check your channel subscription
-
Power cycle your set-top box
Make sure to save any recorded programs before unplugging, as some recordings may be interrupted. -
Check all cable connections
-
Run a channel scan
-
Check for service outages
-
Reset your set-top box to factory settings
A factory reset will erase all your recorded programs, saved settings, and preferences. Make note of any custom settings before proceeding.
Parts You May Need
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Coaxial cable
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HDMI cable
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Coaxial cable
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HDMI cable
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Coaxial cable
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HDMI cable
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Coaxial cable
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Coaxial cable
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HDMI cable
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Coaxial cable
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HDMI cable
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When to Call a Professional
Contact Verizon technical support if the error persists after trying all troubleshooting steps, if multiple channels are affected, or if you're experiencing frequent signal issues. A technician may need to check your outside cable connections or replace faulty equipment.Frequently Asked Questions
Why am I getting Error 8311 on channels I used to watch?
This usually happens when your subscription has changed, there's a billing issue affecting your service, or the channel has moved to a different package tier. Check your account status and recent billing statements, then contact Verizon if your account is current.
Does Error 8311 mean my Fios box is broken?
No, Error 8311 is typically a subscription or signal authorization issue, not hardware failure. The error indicates the box is working but cannot access specific channels due to service restrictions or temporary signal problems.
How long does it take for new channel subscriptions to activate?
New channel subscriptions usually activate within 15-30 minutes after ordering. If you've just added channels and see Error 8311, wait 30 minutes then power cycle your set-top box to refresh the authorization.
Can weather affect Fios TV and cause Error 8311?
Severe weather can occasionally disrupt Fios signals since the service uses fiber optic cables. However, Fios is generally more weather-resistant than satellite TV. If you see Error 8311 during storms, the issue should resolve when weather conditions improve.