We have been installed 520CMD01 in our site as RTU that has worked for more than one year correctly.
Now it is not working anyway . We can not connect to it by Ethernet and or USB , PC can not detect it .
The RUN LED is off and ERR LED is blinking per seconds .AS we have checked its memory by Memory reader every thing is OK on it.
Kindly Please advise me.
I had faced the same issue at site a year back. The RTU suddenly stopped working and was not responding to connection requests via ethernet or USB connection. The Error LED was blinking RED.
Unfortunately, there is a critical system error in the module which only the factory can identify/repair. If the module is still under warranty, please ask your supplier for a replacement as the fault cannot be cleared at site.