ABB RMDE-01, Product Manual

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Troubleshooting
What this chapter contains
This chapter explains how to trace faults with the status LEDs on the Cellular modem (A50).
Cellular modem LED indicators
Function Status Name
No USB mass storage device is attached. Off USB
USB storage device is attached. Green
Device attached, initializing in progress. Blinking green
USB storage device is not attached or has failed to detect. Red
SIM card is configured. Orange
Troubleshooting cellular modem
Follow the instructions below, when internet connectivity through modem fails while testing
with a PC.
• Disable Wifi in the PC so that the PC uses only wired Ethernet.
• Disable proxy on the web browser to make sure that the connection is direct.
• Try using a different web browser.
• Check the security software settings on the PC.
• Re-check the previously modified Ethernet settings and reboot PC if there were errors
during the IP address setup.
• Check the IP address "ping 10.0.0.53" gets reply from the host. If the ping returns reply
but the web browser does not open the page, restart RMDE-01.
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