S5-100U
5.6
The Last Resort
The programmable controller will not go back to the RUN operating mode:
Possible cause:
Remedy:
How to perform an overall reset without a programmer
1. Set the operating mode switch to STOP.
2. Remove the battery.
3. Set the ON/OFF switch to "0".
4. Set the ON/OFF switch to "1".
5. Install a battery.
Contact your local Siemens representative if the above measures are ineffective.
EWA 4NEB 812 6120-02
The battery was installed or changed when the programmable controller
was turned off.
Perform an overall reset and load the program again.
Diagnostics and Troubleshooting
5-15