Universal Robots UR5 Service Manual page 189

7. Troubleshooting
C304A4 Either the encoder
was inappropriately
mounted, or the
gearbox is loose or
broken. Difference
between the
encoders is present
C304A6 Motor phase
resistance is too
high.
C305A Robot Power Control
C305A0 Critical error
C305A1 Power supply
voltage too low
Service Manual
Mechanical problem in gear
related to encoder
mounting.
The lead/connector is
broken, or the Motor phase
lead has become
disconnected or loose.
A critical error in power
control module
Robot voltage is lower than
40V.
183
a) Reduce acceleration in the
user program.
b) Check TCP/Payload and
Cog
c) Do a Complete rebooting
sequence
d) Update software
e) Contact your local
Universal Robots service
provider for assistance or
Replace Joint if necessary.
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance.
a) Check for loose
connections
b) Do a Complete rebooting
sequence
c) Update software
d) Contact your local
Universal Robots service
provider for assistance.
UR5