Phoenix Contact PLCs Troubleshooting & Procedures

Step-by-step procedures

• Phoenix Contact PLCnext AXC — RUN/ERR/DIAG LEDs — A Phoenix Contact PLCnext AXC F controller tells you its state on three LEDs — RUN, ERR and DIAG — before you ever open a laptop. Learn what each colour means and how to pull the Output.log for the real root cause of a DIAG warning or error.