Specifications

212 GX Configurator-PN

Appendix

9.1 Troubleshooting

9.1.1 Factory Default Settings

Problem

The ME1PN1FW-Q cannot be accessed from GX Configurator-PN, although network address set-

tings and cabling are correct.

Solution

To reset the ME1PN1FW-Q to its factory default settings execute the following operations.

Important: the ME1PN1FW-Q must be placed alone in the first slot (marked 'CPU') of the PLC

backplane and the CF card must be removed from its card reader slot! ).

Note: the position of the LEDs and the switches is indicated in the section 'PROFINET Controller

ME1PN1FW-Q'.

1. set the MODE/STOP/RUN switch on the front to the MODE position

2. reset the module by setting the RESET/SELECT switch to the RESET position and then back to

the middle position or power-cycle the CPU

3. confirm that the mode LED shows an orange light and the 7-segment LED displays '00'

4. set the MODE/STOP/RUN switch to the STOP position

5. set the RESET/SELECT switch to the SELECT position multiple times, until the 7-segment dis-

play displays '11'

6. set the MODE/STOP/RUN switch to the RUN position

7. confirm that the green RUN LED is flashing first and then turns off with the 7-segment LED dis-

playing '00'

8. set the MODE/STOP/RUN switch to the STOP position

9. reset the module by setting the RESET/SELECT switch to the RESET position and then back to

the middle position

10. confirm that the MODE LED shows a steady green light and both RUN and USER LEDs show

a flashing green light