Cel-Fi DUO/DUO+ Step by Step troubleshooting Guide (SBS 21) December 16, 2019 15:52 Updated Solid red power light on your Network Unit Looking at your Network Unit with the solid red power light do you have bars of cellular coverage? Bars No Bars Related articles Cel-Fi DUO/DUO+ Step by Step troubleshooting Guide (SBS 30) Cel-Fi DUO/DUO+ Step by Step troubleshooting Guide (SBS 32) Cel-Fi DUO/DUO+ Step by Step troubleshooting Guide (SBS 19) GO G32 Overview Cel-Fi DUO/DUO+ Step by Step troubleshooting Guide (SBS 20)