When a Koyo PLC is locked out due to a forgotten or lost password, the consequences can be severe:
Use the "Reset to Factory Default" option within the CLICK software under the "PLC" menu. You may need to be in 'Stop' mode. koyo plc password unlock
Several automation consulting firms specialize in PLC password recovery. This is the recommended route for mission-critical hardware to avoid "bricking" the CPU. Important Safety & Legal Warning When a Koyo PLC is locked out due