106 / 157 V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
KR C2 edition05
11.5 Field bus communication error messages
11.6 Fuses and LED indicators on the CI3 board
11.6.1 CI3 Standard board
Overview
Effects Causes Remedy
Communication via diagnostic 
interface not possible
Data cable, periphery faulty Check data cable, periphery
Diagnostic interface on field 
bus card defective
Exchange field bus card
Error message "xxxxx I/O 
driver configuration error"
Field bus card incorrectly con-
figured
Check the configuration
Field bus card cannot be initial-
ized
Exchange field bus card
Incorrect configuration of the 
file IOSYS.INI
Check entries in IOSYS.INI
After inserting the field bus 
card: no display, controller 
does not boot (Stop 0)
Field bus card defective Exchange field bus card
The controller "hangs" after ini-
tialization of the field bus card
Field bus card defective Exchange field bus card
No external power supply for 
slave when controller switched 
off
Interbus filter defective or not 
correctly connected
Exchange Interbus filter (if 
fiber-optic cable)
External power supply input on 
IBS card defective
Exchange Interbus card
Fig. 11-1: CI3 Standard board fuses and LEDs