Universal Robots UR3 Service Manual page 187

7. Troubleshooting
C303A9 System status
C303A10 System status
C303A11 System status
C303A12 System status
C303A13 System status
C303A14 System status
C303A15 System status
C303A16 System status
C303A17 System status
C303A18 System status
C303A19 System status
C304A Self monitoring
C304A0 Critical error
C304A3 Close to the gearbox
shear limit.
Encoders disagree
on the Joint position
Service Manual
Reset caused by reset pin
Reset caused by brown out
Reset caused by a loss of
lock in the PLL
Reset caused by a loss of
external clock.
Reset caused by LLWU
module wakeup source
Reset caused by peripheral
failure to acknowledge
attempt to enter Stop Mode
Reset caused by EzPort
receiving the RESET
command while the device
is in EzPort mode
Reset caused by host
debugger system setting of
the System Reset Request
bit
Reset caused by core
LOCKUP event
Reset caused by JTAG
Unexpected core frequency
configured
A critical error occurred in
physical, logical, and
temporal monitoring
(PLATM)
The Joint acceleration or
deceleration is too high, or
there is a mechanical
problem in the gear related
to encoder mounting.
181
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
Same as C303A
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance.
a) Reduce acceleration in the
user program.
b) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance or
Replace Joint if necessary.
UR3