Check the power supply unit (PSU) and wiring. Ensure the load on the 24V rail is not exceeding the PSU capacity. 2. STO Discrepancy / Over-Voltage (Error 02)
Connecting via the Ethernet interface allows for detailed diagnostics and parameterization. The Festo Support Portal provides the necessary plug-ins for this software. cmmo-st-c5-1-diop error codes
To identify more complex issues, the CMMO-ST provides several diagnostic methods: Check the power supply unit (PSU) and wiring