Universal Robots UR5 - Page 107

C36A Illegal bootloader
command
C37A Inbuffer parse error Serial communication
problem with joint
Check black 2-wire
connectors and wires on
joints
C38A Online RAM test
failed
Check the log file for what
item is reporting this error.
Replace the reported item
C38A1 Data-bus test failed
C38A2 Address-bus stuck-
high test failed
C38A3 Address-bus stuck-
low test failed
C38A4 Address-bus shorted
test failed
C38A5 Memory-cell test
failed
C39A Logic and Temporal
Monitoring Fault
C39A1 Max current
deviation failure
a) Do a Complete rebooting
sequence.
b) If this happens more than
two times in a row, replace
joint
C39A2 Max joint-encoder
speed exceeded
Same as C39A1
C39A3 Max motor-encoder
speed exceeded
Same as C39A1
C39A4 Illegal state change
in joint detected
Same as C39A1
C39A5 A timing issue
occurred during
startup.
Too fast state change in
joint detected
Same as C39A1
C39A6 5V regulator voltage
too low
Same as C39A1
C39A7 5V regulator voltage
too high
Same as C39A1
C39A100 Watchpoint fault:
ADC task timeout
Same as C39A1
Service Manual 101 UR5
7.Troubleshooting
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