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8
Troubleshooting
Table 25: Troubleshooting
Fault
No function of the Panel PC
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
CP37xx-1600
Cause
No power supply to the Panel PC
Cable not connected
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
Version: 1.1
Troubleshooting
Measures
Check the power supply cable
1. Correctly connect the cable
2. Call Beckhoff Service
Call the machine or software
manufacturer
Call Beckhoff Service
Call Beckhoff Service
Establish functional earth
User must stand on the floor with
normal shoes
49
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