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Posted: 2025-08-1007:21 PM
All available communication channels are already in use.
Hi,
I am pretty new to Machine Expert 2.3. I was given a M262 to program that had already been started. It just had been setup with Controller assistant but was an old firmware. I upgraded the firmware and then when trying to connect with logic builder I got this error "The device is not ready for encrypted communication. Please try again later!"
Then after that I consistently get the error "Connection denied by device: All available communication channels are already in use." when trying to connect to it with anything (Controller assistant, diagnostics or logic builder). I tried connecting on all ethernet connections and USB. I tried power cycling PC and PLC. Nothing helped. Any ideas?