Troubleshooting
6 Troubleshooting
Pixel errors
Note
Pixel errors in the TFT display are production-caused and represent no complaint-
reason!
Anomalies of the Touchscreen
Note
Anomalies of the touchscreen sensor are production-caused and represent no
complaint-reason!
Fault
Cause
Measures
No Panel PC function
No power supply to Panel PC
Cable not connected
Check power supply cable
1. Correctly connect cable
2. Call Beckhoff Service
Panel PC boots, software starts, but
control does not operate correctly
The cause of the error is in the
software or in parts of the
equipment outside the Panel PC
Call the manufacturer of the
machine or the software
The Panel PC has only partial
function, or only functions some of
the time, for instance the picture is
dark or absent
Faulty backlight in the display
Defective components in Panel PC
Call Beckhoff Service
Call Beckhoff Service
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CP770x-140x
Summary of Contents for CP770 140 Series
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