Universal Robots UR3 Service Manual page 109

7. Troubleshooting
C50A16 The Teach Pendant
does not respond
C50A17 The Euromap67
interface does not
respond
C50A18 Warning, waiting for
SafetySYS1
C50A19 Warning, Waiting for
a valid "euromap67
activated" status bit
from secondary
Safety Control Board
C50A20 5V, 3V3 or ADC error
(5V too high)
C50A21 5V, 3V3 or ADC error
(5V too low)
C50A22 Robot current sensor
reading too high
C50A23 Robot current sensor
reading too low
C50A24 48V not present
(Check internal
connection)
C50A25 Robot voltage
present at 48V PSU
powereup
C50A26 Voltage present on
unpowered 48V
power supply
C50A27 12V, 3V3 or ADC
error (12V too high)
C50A28 12V, 3V3 or ADC
error (12V too low)
C50A29 Analog I/O error (-
12V too high)
C50A30 Analog I/O error (-
12V too low)
Service Manual
Loose wire or incorrect
safety configuration
Loose wire or incorrect
safety configuration
SafetySYS1 = Processor A
on Safety Control Board
103
a) Check the Teach Pendant
cable and connections.
b) Check the settings in the
miscellaneous tab in the
Safety menu
a) Check the Euromap67
cable and connections.
b) Check the settings in the
miscellaneous tab in the
Safety menu
UR3