Troubleshooting
CP37xx-1600
49
Version: 1.1
8
Troubleshooting
Table 25: Troubleshooting
Fault
Cause
Measures
No function of the Panel PC
No power supply to the Panel PC
Cable not connected
Check the power supply cable
1. Correctly connect the cable
2. 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 or software
manufacturer
The Panel PC only works partially
or only temporarily, e.g. dark image
or none at all
Defective backlight in the display
Components defective in the Panel
PC
Call Beckhoff Service
Call Beckhoff Service
Malfunction of the touch screen
Poor or missing functional earth of
the device
Poor or missing ground connection
of the user
Establish functional earth
User must stand on the floor with
normal shoes
