C305A6 Power supply
voltage too high
Power supply is higher than
56V
a) Make sure the cable
between Control Box and
Robot Arm is correctly
connected and it has no
damage.
b) Check for loose
connections
c) Do a Complete rebooting
sequence
d) Update software
e) Contact your local
Universal Robots service
provider for assistance.
C305A7 Robot Power Control Energy Eater was active
when trying to turn on the
Robot arm
C305A8 The Robot Voltage is
too high when
powering on the
Robot
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance.
C305A9 The Power State
was not OFF when
trying to power on
the Robot
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance
C305A10 Robot Power Control The Delay Callback setup
failed
C305A11 The power to the
robot arm was not
removed fast enough
after violation
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance
C306A Joint Joint error
C306A0 Critical error A critical error occurred in a
Joint
a) Do a Complete rebooting
sequence
b) Update software
c) Contact your local
Universal Robots service
provider for assistance.
Service Manual 185 UR5
7.Troubleshooting
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