PLDT Router LOS Blinking Red: A Simple Guide

The blinking red LOS light on your PLDT router is always accompanied with no internet connection. Knowing how important the internet has become today and that most people are practically handicapped when there is no internet, it is good to know a thing or two about fixing the issue immediately.

This article will explain what is the meaning of the PLDT router LOS light blinking red, what are the possible causes as well as what you can do to fix it before you get in touch with the tech support.

Why Is My PLDT Router LOS Blinking Red Light?

LOS stands for Loss Of Signal, and as the name suggests, this light will start blinking or be solid red when a loss of signal occurs.

There are several different reasons why you are seeing the PLDT router LOS light blinking red.

• Damaged fiber cable.
• Loose connector.
• Service outage in your area.

The good thing though is that the solutions for this issue are pretty easy to implement if the problem is on your side. However, if your ISP is experiencing some problems or maintaining its network, you can’t do anything else but wait for them to get it fixed.

PLDT Router LOS Blinking Red – Quick Fixes

When you encounter a blinking red LOS light on your PLDT router, it’s a common indicator of a signal issue, but there are several quick fixes you can try, even without prior technical knowledge. This issue, often searched online as “PLDT router LOS light problem,” can sometimes be resolved with basic troubleshooting steps. One of the first things to check is the stability of your optical fiber cable connection, a common query among users experiencing this issue.

In some cases, the solution may be as simple as ensuring that the cable is securely connected to your router and the wall socket. Users frequently search for “fixing loose fiber cables” as a remedy for this problem. If the cable appears damaged or worn out, replacing it might be necessary, though this is a step usually left to professionals, as indicated by searches like “optical fiber cable replacement.”

For those not confident in handling fiber cables, seeking professional assistance is always a safe choice. Remember, while these fixes are often straightforward, ensuring they’re done correctly is crucial for restoring your internet connection.

By following these guidelines, you can effectively address the blinking red LOS issue on your PLDT router. This knowledge is invaluable for maintaining a stable and reliable internet connection in your home or office.

Check The Fiber Optic Cable

When facing a blinking red LOS light on your PLDT router, the initial step is to inspect the fiber optic cable connected to your modem. This is a common suggestion found in online guides and forums addressing internet connectivity issues. Ensure that the cable is properly and securely connected at both ends — a loose connection can often be the root cause of the problem.

Besides the connection, examine the cable for any visible damage or abnormal bending. Fiber optic cables are delicate and can be compromised by kinks or severe bends, a concern frequently noted in searches like “fiber cable damage” or “optical cable bending.” If you notice any physical damage or if the cable appears excessively bent, it may be time to consider purchasing a new one.

Additionally, pay attention to the connectors at each end of the cable. Loose or damaged connectors can disrupt the signal, leading to the LOS light issue. This is a common troubleshooting step often looked up as “checking fiber optic connectors.”

If, after ensuring the cable is properly connected and undamaged, the LOS light continues to blink red, it indicates that the problem might lie elsewhere. In such cases, it’s advisable to proceed to the next solution. This systematic approach to troubleshooting is crucial in pinpointing and resolving the issue with your PLDT router.

To sum up, the first thing to do in this case would be to check:

• whether the fiber optic cable is properly connected to the modem.
• whether it is damaged or bent abnormally.
• whether there are loose or damaged connectors.

Always check each end of the cable and if necessary purchase a new fiber optic cable.

If the LOS light is still blinking red after this inspection, and the eventual cable replacement or re-connection, try the next solution.

Reboot The Router

Rebooting your router is a widely recommended and effective quick fix for various network issues, including the blinking red LOS light on your PLDT router. This simple action is often the first go-to solution in many online troubleshooting guides for home network problems. The process is straightforward and can resolve a range of connectivity issues.

To reboot your router, start by unplugging the power cord from the electrical outlet. It’s advised to wait for about 5 minutes before reconnecting it. This brief waiting period allows the router to reset completely, clearing any temporary glitches or errors. After plugging the router back in, give it some time to boot up fully.

Once the router has restarted, check the status of the LOS light. In many cases, you’ll find that the light has turned off, indicating that the issue has been resolved. However, if the red blinking light persists, it suggests that the problem might be more complex. In such a scenario, moving on to the next troubleshooting step is recommended. Rebooting is a simple yet powerful tool in your home networking toolkit, often resolving issues without needing more complex solutions.

Recommended Reading: PLDT Admin Login: Manage Your Router Settings

Check Whether Outage Is Causing The Problem

When your PLDT router’s LOS light blinks red, it’s possible that the issue is stemming from an outage or maintenance work by your Internet Service Provider (ISP). ISPs occasionally conduct unscheduled maintenance or encounter power or service issues, leading to a temporary loss of signal. This situation is a common topic in online forums and help guides where users seek to understand the reasons behind network interruptions.

To confirm if an outage is causing the problem, the most direct approach is to contact PLDT support. They can provide immediate information on any ongoing service interruptions or maintenance work. This step is often recommended in searches like “contacting ISP for outage” or “network service status.”

Alternatively, you can check for an outage independently by using websites like Outage.report. These sites track and report service interruptions for various ISPs, including PLDT. This method is a quick way to verify if others are experiencing similar issues, often explored under searches like “ISP outage check” or “PLDT service status.”

If it’s confirmed that an outage is the reason for the blinking red LOS light, patience is key. In such cases, the only solution is to wait until your ISP resolves the issue. While waiting can be inconvenient, knowing the cause can provide peace of mind and save you from attempting unnecessary troubleshooting steps.

On the other hand, if they confirm that everything is fine on their end, ask them to check your line, restart your connection or guide you through some basic troubleshooting steps. If they can’t help you remotely, they can always send a technician to check the problem on site as well as check the PLDT router itself.

Final Words

In conclusion, our goal has been to provide you with effective solutions for addressing the blinking red LOS light on your PLDT router. Often, this issue is closely linked to the optical fiber cable’s condition. Damage or excessive bending of the cable, or an accidental cut-off in the main line, can result in this common network problem. Additionally, service outages from your ISP are another typical cause for the LOS light to blink red.

If you’ve inspected the cables, attempted a router reboot, and the red light persists, it’s likely that the root cause lies with your ISP. In such instances, reaching out to PLDT support is the next recommended step. Their assistance can be crucial in resolving network issues that are beyond the scope of basic troubleshooting. Rest assured, with the right approach and support, resolving network issues is usually a matter of time. Our guide aims to equip you with the necessary knowledge to tackle these common router problems effectively, ensuring your network remains stable and reliable.

FAQ

Why Is My PLDT Router LOS Light Blinking Red?

If the LOS (Loss of Signal) light on your PLDT router is blinking red, it typically indicates a disruption in the fiber optic connection. This could be due to issues with the optical fiber cable, such as damage or severe bending, or a disruption in the main line. Another common reason for this issue could be a service outage or maintenance work from your ISP. To diagnose the problem, start by checking the physical condition of the fiber optic cable and ensuring it’s properly connected. If everything seems fine with the cable, the issue might be on your ISP’s end.

How Do I Fix a Blinking Red LOS Light on My PLDT Router?

To fix a blinking red LOS light on your PLDT router, start by checking the condition of the optical fiber cable. Look for any signs of damage or abnormal bending and ensure it’s securely connected to both your router and the wall socket. If the cable appears to be in good condition, try rebooting your router by unplugging it for a few minutes and then plugging it back in. If these steps don’t resolve the issue, it might be caused by an outage or maintenance from your ISP, in which case you’ll need to contact them for further assistance.

Can a Damaged Fiber Optic Cable Cause the PLDT Router LOS Light to Blink Red?

Yes, a damaged fiber optic cable can cause the LOS light on your PLDT router to blink red. The fiber optic cable is a crucial component in your internet connection, and any damage or extreme bending can disrupt the signal. Check the cable for any visible signs of damage, such as cuts or kinks. If you find that the cable is damaged, it will need to be replaced. In cases where you’re unsure about handling the cable, it’s best to seek assistance from a professional.

What Should I Do If My PLDT Router’s LOS Light Is Blinking Red Due to an ISP Outage?

If your PLDT router’s LOS light is blinking red due to an ISP outage, the best course of action is to contact PLDT support for information. They can confirm whether there is an ongoing outage or maintenance work affecting your service. During an ISP outage, there’s not much you can do on your end except wait for the service to be restored. Keep an eye on official updates from PLDT or check outage tracking websites for the latest information. Remember, ISP outages are typically resolved by the provider and require patience from the users.

How Often Should I Check My Fiber Optic Cable to Prevent LOS Issues?

Regularly checking your fiber optic cable can help prevent LOS issues with your PLDT router. It’s a good practice to inspect the cable every few months for any signs of wear and tear or damage. Pay attention to how the cable is routed and avoid sharp bends or areas where it might be pinched or squashed. Ensuring the cable is not in a high-traffic area where it could be stepped on or damaged is also important. Regular maintenance checks can help ensure a stable and consistent internet connection.

David Rigg

Hey, I’m David. I’ve been working as a wireless network engineer and a network administrator for 15 years. During my studies, I also worked as an ISP field technician – that’s when I met Jeremy. 

I hold a bachelor’s degree in network engineering and a master’s degree in computer science and engineering. I’m also a Cisco-certified service provider. 

In my professional career, I worked for router/modem manufacturers and internet providers. I like to think that I’m good at explaining network-related issues in simple terms. That’s exactly what I’m doing on this website – I’m making simple and easy-to-follow guides on how to install, set up, and troubleshoot your networking hardware. I also review new network equipment – modems, gateways, switches, routers, extenders, mesh systems, cables, etc. 

My goal is to help regular users with their everyday network issues, educate them, and make them less scared of their equipment. In my articles, you can find tips on what to look for when buying new networking hardware, and how to adjust your network settings to get the most out of your wi-fi. 

Since my work is closely related to computers, servers, and other network equipment, I like to spend most of my spare time outdoors. When I want to blow off some steam, I like to ride my bike. I also love hiking and swimming. When I need to calm down and clear my mind, my go-to activity is fishing.