If the LOS light on your fiber router or ONT is blinking red, it usually means Loss Of Signal. This guide explains the likely causes, the checks you can do at home, and when the issue needs technician support. When it's green and steady, everything is fine. However, when it blinks red or stays solid red, it signifies a Loss of Signal, a problem preventing your router from communicating. How to FIX the Loss of Signal Error Is your router's LOS (Loss of Signal) or Optical light blinking red or solid red? This means your internet is down. Existing Krishii Fiber customers can share their registered mobile number, area and a. Understanding LED Indicators on a Fiber Router Let's break down what the common LED lights on a fiber router mean and how they behave: 1. POWER Normal: Solid/stagnant light. These situations need to be fixed quickly, so here are some ideas.
[PDF Version]