9. Troubleshooting9.1. Common errorsWith GPRS/UMTS connection (even if GSM signal is good enough) following Errors are common:SIM missing Check the SIM card status in the INTERFACES → SIMs menu, turnoff the unit, insert/re-insert the SIM card and power up the unit againPIN code required Insert the correct PIN code in the INTERFACES → SIMs → Config-uration menuConnection not established orfailedSee the SYSTEM → Troubleshooting → System Debugging outputfor any errors/warnings9.2. MessagesThe Web Manager displays messages in the status bar in the footer of a web page.There are three levels:Green The action was performed successfully.Yellow Warning – please consider the information.Red Error – command was not performed, typically with recommended action which is requiredbefore the possible successful action.9.3. Troubleshooting tools9.3.1. PingerConnection from the M!DGE/MG102i router can be checked using the built-in pinger available in theSYSTEM → Troubleshooting → Network Debugging menu.The traceroute command is available in the same menu for tracing the packets from the M!DGE/MG102irouter to the Host.163© RACOM s.r.o. – MG102iGPRS/UMTS/HSPA+/LTE routerTroubleshooting