I'm experiencing a connection issue with KM IC-609 to the machine Controller, it shows unconnected and all the admin and service mode functions are inaccessible.
Initially, the client said that the controller does not connect sometimes, but when they keep trying to restart it would come back and work normally for a few days,
This time the controller rarely connects to the machine and stays in initiation for a long time, when we press the controller button on service mode or admin mode it stays on a blank screen forever, we wanted to do the firmware upgrade but the controller does not connect to machine or inaccessible state.
Pls let me know your thoughts.
Thanks
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