Troubleshooting

Fault

Cause

Measures

No function of the device

No power supply to the device

Other cause

Check the power supply cable

Call Beckhoff Service

The device does not boot fully

BIOS setup settings are incorrect

Other causes

Check BIOS setup settings (load defaults)

Call Beckhoff Service

The device boots, software starts, but control does not operate correctly

The cause of the error is the software or plant parts outside of the device

Call the machine and software manufacturer

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