Universal Robots UR3 Service Manual page 120

C103A Communication
issue
C103A1 Connection to Safety
Control Board lost
C103A2 Package lost from
Safety Control Board
C103A3 Ethernet connection
initialization with
Safety Control Board
failed
C104A Error=Empty
command sent to
robot
C111A Something is pulling
the robot
C115A Unknown robot type
C116A Realtime part
warning
C117A Restart SCB failed
C150A Protective Stop:
Position close to
joint limits
C151A Protective Stop: Tool
orientation close to
limits
C152A Protective Stop:
Position close to
safety plane limits
C153A Protective Stop:
Position deviates
from path
UR3
PC did not receive 3
packets in a row
The robot type specified in
the configuration is
unknown
Possible CPU-overload due
to structure of user program
The Control Board couldn't
be rebooted from the
controller.
114
7. Troubleshooting
a) Check that the Ethernet
cable between Motherboard
and Control Board is
connected.
b) Do a Complete rebooting
sequence
Check TCP configuration,
payload and mounting
settings
Restructure user program
Do a Complete rebooting
sequence
Service Manual