All rights reserved 80 Servicemanual_UR3_en_rev3.1.2
Reduce payload, check for
encoder problems
TCP position disagreement
Reduce payload, check for
encoder problems
TCP orientation disagreement
Reduce payload, check for
encoder problems
Power calculation: uP-A and
uP-B disagreement
Joint error: Check previous
error codes from the same
joint and evaluate
Joint torque window
disagreement
Reduced mode input
disagreement
Safety I/O uP-A and uP-B
disagreement
Reduced mode output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Safeguard stop output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
The other safety processor is
in fault
Emergency stop output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
SPI output error detected
Robot moving output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Potential brownout detected
Voltage drop on Safety Control
Board(SCB) or defect SCB
Emergency stop output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Safeguard stop output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Robot not stopping output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Safeguard reset input
disagreement
Safety I/O uP-A and uP-B
disagreement
Safety processor booted up in
fault mode
Reduced Mode Output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Not Reduced Mode Output
disagreement
Safety I/O uP-A and uP-B
disagreement
Check Cables and Software
error on motherboard
Checksum disagreement
between uA and uB
User safety config checksum
disagreement between uA and
GUI
Robot config checksum
disagreement between uA and
GUI