i-Vu® XT Router (drv_gen5) CARRIER CORPORATION ©2022Installation and Start-up Guide 39 All rights reservedTo get a Device LogIf Carrier Controls System Support instructs you to get the router's Device Log containing diagnostic informationfor troubleshooting:1 Select the i-Vu® XT Router in the i-Vu® navigation tree.2 On the Properties page, click Device Log.NOTE You can click Device Log Archive to download a file containing multiple Device Logs to your computer. Thisalso contains any network packet captures that have been run from the controller setup pages or the DriverProperties on Advanced > Diagnostics tab (page 34).To get the i-Vu® XT Router's serial numberIf you need the router’s serial number when troubleshooting, the number is on:• A Module Status report (Modstat).• A laser-etched number and QR code on the circuit board inside the router.• Some routers have a sticker on the front with the serial number, MAC address, and a QR code.See To get a Module Status report.To replace the i-Vu® XT Router's fuseIf you turn on the router’s power switch and the LED is not lit, the fuse that protects the router may be blown.Remove the fuse and use a multimeter to check it.The fuse is a fast acting, 250Vac, 2A, 5mm x 20mm glass fuse that you can purchase from one of the followingvendors:Manufacturer Mfr. Model #Littelfuse 0217002.HXPBussmann S500-2-RBelfuse 5SF 2-ROptifuse FSD-2ABefore replacing the fuse, try to determine why the fuse blew. Check the power wiring polarity of the i-Vu® XTRouter and any other devices that share the power supply. Use the same polarity for all of them.