PRO Step-by-Step Troubleshooting Guide June 18, 2020 19:44 Updated Do you have a full color display on your Network Unit (NU)? While looking at the Network Unit (NU) does the display have power, is it lit? Yes No Related articles Cel-Fi PRO Step-by-Step Troubleshooting Guide (SBS 7) PRO Troubleshooting Guide Cel-Fi PRO Step-by-Step Troubleshooting Guide (SBS 4) WAVE PRO Frequently Asked Questions PRO Error Codes