105 / 157V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
11. Troubleshooting
11.3 MFC3 error messages
11.4 KCP error messages
Effects Causes Remedy
Controller hangs when loading 
software components
MFC cannot be initialized Remove PC cards and run the 
PC up again
MFC3 incorrectly connected Check MFC3 slot
PC card (e.g. Interbus) interfer-
ing with functioning of MFC3
Exchange the MFC3
PCI bus on motherboard faulty Exchange motherboard
KCP control panel does not 
work
CAN controller on the MFC 
defective
Exchange the MFC3
KCP cable or connector faulty Replace KCP
Display is dark Power supply to connector X5 
for KCP missing
Check power supply
KCP cable or connector faulty Replace KCP
KVGA card defective Exchange KVGA card
Motherboard defective Exchange motherboard
Operating mode switchover on 
KCP does not react
Operating mode detection on 
MFC3 defective
Exchange the MFC3
Mode selector switch on the 
KCP defective
Replace KCP
When PC is booted, the operat-
ing system VxWorks does not 
run up
MFC3 defective Exchange the MFC3
Effects Causes Remedy
No display on the LCD Connecting cable defective Exchange KCP with connecting 
cable
KVGA defective Exchange KVGA
KCP defective Replace KCP
Drives cannot be switched on Connecting cable defective Exchange KCP with connecting 
cable
Enabling switch jammed Replace KCP
KCP defective Replace KCP
CI3 board is defective Exchange CI3 board
No entries can be made via 
KCP
Connecting cable defective Exchange the connecting cable
MFC3 defective Exchange the MFC3
KCP defective Replace KCP
EMERGENCY STOP cannot 
be acknowledged
EMERGENCY STOP button 
defective
Replace KCP
Connecting cable defective Exchange KCP with connecting 
cable
Space Mouse does not work Connecting cable defective Exchange KCP with connecting 
cable
Space Mouse defective Replace KCP
MFC3 defective (CAN bus) Exchange the MFC3