Troubleshooting, Fault correction, Troubleshooting 28 – BECKHOFF CP72xx User Manual
Page 30: Can be used to determine the measures to be taken
Troubleshooting
Troubleshooting
Please also refer to chapter
Pixel errors
Note
Pixel errors in the TFT display are production-caused and represent no
complaint-reason!
Fault correction
Fault Cause Procedure
Nothing happens after the Industrial
PC has been switched on
No power supply to the Industrial
PC
Other cause
Check power supply cable.
Call Beckhoff Service
The Industrial PC does not boot
fully
Setup settings are incorrect
Other cause
Check the setup settings
Call Beckhoff Service
Computer boots, software starts,
but control does not operate
correctly
Cause of the fault is either in the
software or in parts of the plant
outside the Industrial PC
Call the manufacturer of the
machine or the software
Memory device error
Faulty memory device
Check memory in another
device
Call Beckhoff Service
USB error while TwinCAT access
via USB
Cycle time in TwinCAT is set on
10 ms (standard)
Increase the cycle time up to
50 ms till 80 ms
The Industrial PC functions only
partially or only part of the time, e.g.
no or dark picture, but memory
drive responds when switching on
Defective components in the
Industrial PC
Call Beckhoff Service
28
CP72xx