Use the "Reset to Factory Default" option within the CLICK software under the "PLC" menu. You may need to be in 'Stop' mode.
Connect your PC to the PLC using the appropriate programming cable. Open your programming software (DirectSOFT or CLICK). Clear All PLC Memory Initialize PLC koyo plc password unlock
For certain newer Koyo-designed models (like the CLICK series), try the manufacturer defaults if they haven't been changed: : The default password is click . Use the "Reset to Factory Default" option within