Troubleshooting - Beckhoff CP6706-0001 Manual

8

Troubleshooting

Fault
No function of the panel PC
The panel PC does not boot fully
Panel PC boots, software starts,
but controller does not work
properly
The panel PC only works partially
or only temporarily (e.g. dark image
or none at all)
Malfunction of the touch screen
USB error during access with
TwinCAT via USB
CP6706-0001
Cause
No power supply to the panel PC
Other cause
BIOS setup settings are incorrect
Other causes
The cause of the error is the
software or plant parts outside of
the panel PC
Defective backlight in the display
Components defective in the panel
PC
Poor or missing functional earth of
the device
Poor or missing ground connection
of the user
Cycle times in TwinCAT set to
10 ms (default)
Version: 2.0
Troubleshooting
Measures
Check the power supply cable
Call Beckhoff Service
Check BIOS setup settings (load
defaults)
Call Beckhoff Service
Call the machine and software
manufacturer
Call Beckhoff Service
Call Beckhoff Service
Establish functional earth
User must stand on the floor with
normal shoes
Increase the cycle times to
between 50 ms and 80 ms
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