103 / 157V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
11. Troubleshooting
11 Troubleshooting
11.1 Repair and procurement of spare parts
Repairs Repairs to the robot controller may only be carried out by KUKA customer sup-
port personnel or by customers who have taken part in a relevant course of
training held by the KUKA Robot Group.
Repairs within modules may only be carried out by specially trained KUKA Ro-
bot Group personnel.
Procurement of
spare parts
The article numbers for spare parts are listed in the spare parts catalog on a
CD-ROM that accompanies every robot controller.
The KUKA Robot Group supplies the following types of spare parts for repairs
to the robot controller:
New parts
Once the new part has been installed, the part that has been removed can
be disposed of.
Exchange parts
Once the exchange part has been installed, the part that has been re-
moved is returned to the KUKA Robot Group.
11.2 PC fault profiles
A "Robot Repair Card" is supplied with the exchange parts. The Repair Card
must be completed and returned to the KUKA Robot Group.
Effects Causes Remedy
PC does not boot
Display is dark
Power supply defective Disconnect all devices one by
one from the power supply unit.
Switch on the PC and measure
output voltages at the power
supply unit.
Short circuit on the mother-
board
Short circuit on a connected
device
PC does not boot
Display is dark
Defective PC card (Interbus,
MFC3, KVGA)
Disconnect PC cards (Interbus,
Ethernet card) and test system
again; replace cards if neces-
sary.
Memory modules (RAM mod-
ules) not correctly snapped into
place (contact fault)
Snap memory modules cor-
rectly into place.
Memory modules defective Exchange memory modules.
Defective motherboard Exchange the PC
PC boots normally
Display is dark
KVGA defective Exchange KVGA
Cable break in KCP connecting
cable
Exchange the KCP connecting
cable
System crash when booting
No keyboard input possible
Defective motherboard Exchange the PC
The system repeatedly resets
itself (reboot).
Memory modules defective Exchange memory modules
KVGA defective Exchange KVGA
KSD defective Exchange KSD
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