Beckhoff CP29 -2 -0000 Series, Manual

Page: 26 / 31

Troubleshooting
CP29xx-2xxx-0000 26 Version: 1.2
7 Troubleshooting
Table 8: Troubleshooting
Fault Cause Measures
No Control Panel function Lack of power supply to the Control
Panel/ Industrial PC
Cable not connected
Check the cable for the power
supply
1. Correctly connect the cable
2. Call Beckhoff Service
Industrial PC boots, software starts
up but controller does not work
properly Cause of the fault is either in the
software or in parts of the plant
outside the Industrial PC Call the machine or software
manufacturer
Malfunction of the touch screen Poor or missing ground connection of
the device
Poor or missing ground connection of
the user
Establish ground connection
User must stand on the floor
with normal shoes
USB error during access with
TwinCAT via USB Cycle time in TwinCAT set to 10 ms
(standard) Increase the cycle time to
between 50 ms and 80 ms
The Control Panel has only partial
function, or only functions some of
the time, for instance the picture is
dark or absent Defective backlight in the display
Defective components in the Control
Panel
Call Beckhoff Service
Call Beckhoff Service