BECKHOFF CP77xx - Manual (Page 17)

Troubleshooting
CP77xx 15
Troubleshooting
Please also refer to chapter General Notes .
i
Note
Pixel errors in the TFT display are production-caused and represent
no complaint-reason!
Fault correction
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 fluorescent bulb in the
display
Defective components in Panel PC Replace fluorescent tube in
the display in accordance
with description
Call Beckhoff Service