Universal Robots UR5 Service Manual page 129

7. Troubleshooting
C74A4 System
error=malfunction or
inconsistent
calibration detected
C74A8 Supply voltage is out
of range
C74A16 Temperature is out of
range
C74A64 Signal low =Too far
from magnetic ring
C74A128 Signal saturation
=Too close to
magnetic ring
C74A207 Joint encoder error
C75 Joint encoder error
C75A1 Invalid decode:
Readhead
misalignment, ring
damaged or external
magnetic field
present.
C75A2 Speed reading is not
valid
C75A4 System
error=malfunction or
inconsistent
calibration detected
C75A8 Supply voltage is out
of range
User Manual
Example: Argument 207 is the sum of 128,64,8,4,2,1 which
means that all the errors in connection to argument 1, 2, 4,
8, 64 and 128 have been reported.
Magnetic encoder error
(Absolut encoder)
123
a) Do a Complete rebooting
sequence as per section
5.3.7
b) Check grounding and
shielding for EMC
problems
c) If this happens more
than two times in a row,
replace joint
a) Do a Complete rebooting
sequence as per section
5.3.7
b) If this happens more
than two times in a row,
replace joint
a) Do a Complete rebooting
sequence as per section
5.3.7
b) If this happens more
than two times in a row,
replace joint
Check previous error
UR5