Beckhoff CP39 Series User Manual

Troubleshooting
CP39xx 47Version: 3.6
7 Troubleshooting
Table14: Troubleshooting
Fault Cause Measures
No control panel function Lack of power supply to the control
panel
Cable not connected
CP39xx-0010: no supply of power to
the CU880x
Check the power supply cable
1. Correctly connect the cable
2. Call Beckhoff Service
Check the supply of power to
the CU880x
Multi-touch screen does not react or
only reacts sporadically
Poor or missing functional earth of
the device
Poor or missing ground connection of
the user
Check potential equalization
and grounding measures
Touch the control panel frame
and check the touch function at
the same time
USB error during access with
TwinCAT via USB
Cycle time in TwinCAT set to 10ms
(standard)
Increase the cycle time to
between 50ms and 80ms
No picture/backlight Problem with the cable connections CP39xx-0000: check DVI cable
connection
CP39xx-0010:
1. Check the cable
connections
2. Check the CU880x
diagnostic LEDs
3. Check the power supply
Beckhoff recommends using Beckhoff connection cables and connection kits.

Beckhoff CP39 Series Specifications

General

Brand	Beckhoff
Model	CP39 Series
Category	Control Panel
Language	English