Skip to content 
Verizon ONT Fail Light and how to fix it now will be the emphasis of this step-by-step guide.
People in search of high-end network connections with interesting data packages, always pitch their tent on Verizon.
Likewise, Verizon owns a device โThe ONT boxโ which is connected modem directly to the fiber internet.
Many users have complained about Verizon ONT fail light and how it affects their internet connection. So, if are currently experiencing this, read on to find out how it can be fixed.
Table of Contents
Verizon ONT explained
The meaning of ONT is โOptical Network Terminalโ. Itโs in form of a bulky box that is installed by a Verizon technician to be used for TV, FiOS Internet, and phone.
The function of this device is to fiber optic signals which emanate from the Verizon backbone. It then converts it to be used by the various device in the house.
This device is installed once you subscribe to Verizon FiOS.
The ONT device is installed to have a Coax output, the cable is directed to the FiOS router and the Boxes in charge of FiOS TV.
is a welcome development for Cable TV subscribers but itโs somehow a disadvantage to internet-only customers. It wouldโve been preferable to have an Ethernet with the FiOS ONT rather than a Coax cable.
With the Coax output directly from ONT, it will now require Multimedia over Cable (MoCA) and Wide Area Network (WAN) bridge.
The router which youโll receive for subscribing to FiOS will act as a MoCA bridge. Its function is to translate the signal to Ethernet which will be used by devices on your network.
Verizon ONT Fail Light explained
When the fail light goes off, itโs often a result of the signal issue. In other words, the ONT is not receiving the required signal, hence affecting the connectivity.
How to fix it?
Be patient for the weather to dwindle, then inspect the lines
Most times, weather issues affect the cable and fiber network to the extent of having an impact from the origin pole.
You just have to wait for the weather to be calm, so you can inspect the lines. If you notice any damage, engage the services of a professional technician to replace the lines.
Reboot the ONT Box
If you didnโt notice any issue with the cable and the weather is no longer harsh, the issue might be emanating from the box.
You just have to reboot it. Simply remove the power cable including other ethernet cables connected to the main source.
Wait for about two minutes, plug in the power cables and the ethernet cables. This will optimize the entire connection and as well resolve the issues.
Optimize the signal connection
If the fail light continues to act up, itโs an indication there is a signal loss issue which can be from the internet or cable being unable to send signals.
To resolve it, you need to optimize the signal connection. Youโve to reboot the router and the modem.
The signal can also be optimized by removing the cables and plugging them back again. Ensure the cables are tight to the port and there is no damage anywhere.
Reach out to Verizon
This is the last option if none of the methods worked for you. At this point, you need to reach out to Verizon for assistance.
Theyโll send a technician to your house who will check the cables, network and other infrastructures bother internal and external. Theyโll know how to replace any damaged part.
How to Stay connected to the Verizon Fios Network?
You need to make sure that the power supply of the ONT stays plugged in all the time.
This requires electricity to function effectively;
- Plug the ONT plugs directly into an existing electrical outlet.
- From the indicator light, youโll know if there is electrical power.
- The light should be ON during a normal operation.
- Once the indicator light is OFF, it means there is no electricity from the outlet.
In Conclusion
As stated earlier, the Optical Network Terminal (ONT) is important because it converts an optical signal coming from the fiber to be used for voice, TV as well as data.
This is made possible because of the installation of FiOS service either inside or outside the house.
Itโs your obligation to always ensure that there is stay communication between the Verizon FiOS and the ONT. With all these in place, Verizon ONT fails light will be resolved.
Frequently Asked Questions
Why is there a fail light on my Verizon ONT?
If you notice a red fail with no Network light, itโs an indication there is no signal reaching the ONT.
At this point, you need to engage the services of a Verizon tech professional to take a good look at the whole connection and make replacements where necessary.
How can Verizon ONT be fixed?
- First, unplug all electrical power cords connected to your device
- Be patient for at least 60 seconds before plugging the cords back to the wall
- The Optical Network Terminal (ONT) will automatically reset itself.
- Once this is done, your FiOS TV service will be back online.
What is the function of the ONT reset button?
The button is seen behind the Optical Network Terminator (ONT) functions as the device that will enable you to perform modem power cycle without necessarily have to disconnect your power cable.
