
C288A1
to
C288A3
Wrong control mode
Check for configuration under
installation window
C289A
Tool Connector
C289A1
Short circuit
detected on Digital
Output: high side
Tool Digital Output pin has
been turned off due to either
a short-circuit or an
overload was detected.
Check connections to make
sure Tool Digital Output
currents are within specified
limits.
C289A2
Short circuit
detected on Digital
Output: low side
Tool Digital Output pin has
been turned off due to either
a short-circuit or an
overload was detected.
Check connections to make
sure Tool Digital Output
currents are within specified
limits.
C289A4
10 second Average
tool IO Current is
outside of the
allowed range.
The average current sum of
the Tool Connector Power
and Digital Output pins is
outside of the allowed
range.
Check connections to make
sure tool Digital Output
currents are within specified
limits.
C289A5
Unable to remove
tool Digital Output
fault.
Unable to remove the
overload on tool Digital
Output, therefore the robot
powered down.
Check connections to make
sure the Tool Digital Output
currents are within specified
limits.
C289A6
Current on the
POWER pin is
outside of the
allowed range.
Too high current on tool
connector power pin
Check connections to make
sure the Tool Digital Output
currents are within specified
limits.
C289A7
Current on the
Digital Output pins is
outside of the
allowed range.
Too high current on tool
connector Digital Output
pins.
Check connections to make
sure the Tool Digital Output
currents are within specified
limits.
C289A8
Current on the
ground pin is outside
of the allowed range.
Too high current on tool
ground pin
Check connections to make
sure the Tool Digital Output
currents are within specified
limits.
C289A9
Maximum current on
the POWER pin is
outside of the
allowed range
Too high current on tool
power pin
Check connections to make
sure the Tool Digital Output
currents are within specified
limits.
C290A1
I2C
The I2C bus was busy too
long
C290A2
I2C
Function called too early
after last call or the slave
chip did not answer
Service Manual
173
UR5
7. Troubleshooting
C
o
p
yr
ig
h
t
©
2
0
0
9
–
2
0
2
1
b
y
U
n
iv
e
rs
a
l
R
o
b
o
ts
A
/S
.
A
ll
ri
g
h
ts
re
s
e
rv
e
d
.