Universal Robots UR3 Service Manual page 141

7. Troubleshooting
C200A17 PC current is too
high
C200A18 Robot voltage is too
low
C200A19 Robot voltage is too
high
C200A20 24V IO voltage is too
low
C200A21 12V voltage is too
high
C200A22 12V voltage is too
low
C200A23 It took too long to
stabilize 24V
Service Manual
Motherboard takes too high
current
135
a) Do a Complete rebooting
sequence.
b) Check cable between
Control Board and
Motherboard and check all
connections to Motherboard.
Also check for short circuit
a) Do a Complete rebooting
sequence.
b) Check for short circuit in
robot arm.
c) Check 48 V Power supply,
current distributer, energy
eater and Control Board for
issues
a) Do a Complete rebooting
sequence.
b) Check 48 V Power supply,
current distributer, energy
eater and Control Board for
issues
a) Do a Complete rebooting
sequence.
b) Disconnect I/O, check
external power supply if
connected and check Control
Board for issues
a) Do a Complete rebooting
sequence.
b) Check 12 V Power supply,
cables and Control Board for
issues
a) Do a Complete rebooting
sequence.
b) Check 12 V Power supply,
cables and Control Board for
issues
a) Do a Complete rebooting
sequence.
b) Check 24 V and Control
Board for issues
UR3