Troubleshooting
Fault  | Cause  | Measures  | 
|---|---|---|
No function of the panel PC  | No power supply to the panel PC Other cause  | Check the power supply cable Call Beckhoff Service  | 
The panel PC does not boot completely  | BIOS setup settings are incorrect Other causes  | Check BIOS setup settings (load defaults) Call Beckhoff Service  | 
Panel PC boots, software starts, but controller does not work properly  | The cause of the error is the software or plant parts outside of the panel PC  | Call the machine and software manufacturer  | 
The panel PC only works partially or only temporarily (e.g. dark screen image or none at all)  | Defective backlight in the display Defective components in the panel PC  | Call Beckhoff Service Call Beckhoff Service  | 
USB error during access with TwinCAT via USB  | Cycle times in TwinCAT set to 10 ms (default)  | Increase the cycle times to between 50 ms and 80 ms  |