Universal Robots UR5 Service Manual page 71

CODE_50A17 The Euromap67 interface does not respond
CODE_50A18 Warning, waiting for SafetySYS1
CODE_50A20 5V, 3V3 or ADC error (5V too high)
CODE_50A21 5V, 3V3 or ADC error (5V too low)
CODE_50A22 Robot current sensor reading too high
CODE_50A23 Robot current sensor reading too low
CODE_50A24 48V not present (Check internal connection)
CODE_50A25 Robot voltage present at 48V PSU powereup
CODE_50A26 Voltage present on unpowered 48V power
supply
CODE_50A27 12V, 3V3 or ADC error (12V too high)
CODE_50A28 12V, 3V3 or ADC error (12V too low)
CODE_50A29 Analog I/O error (-12V too high)
CODE_50A30 Analog I/O error (-12V too low)
CODE_50A31 The other safetySYS do not initialize
CODE_50A80 Last CPU reset caused by Low-Power-Reset
CODE_50A81 Last CPU reset caused by Window-
Watchdog-Reset
CODE_50A82 Last CPU reset caused by Independent-
Watchdog-Reset
CODE_50A83 Last CPU reset caused by Software-Reset
CODE_50A84 Last CPU reset caused by External-Pin-Reset
CODE_50A85 Last CPU reset caused by Brown-Out-Reset
CODE_50A99 Wrong software on PCB
CODE_50A100 Cable not connected
CODE_50A101 Short circuit in robot detected
CODE_50A102 Voltage rising too slowly
CODE_50A103 Voltage failed to reach acceptable level
CODE_51 CRC check failure on secondary bus
CODE_51A0 Processor B
CODE_51A1 Primary screen processor
CODE_51A2 Secondary screen processor
CODE_51A3 Primary E67
CODE_51A4 Secondary E67
CODE_53 IO overcurrent detected
CODE_53AMA , max is 800mA
STER
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Loose wire or
incorrect safety
configuration
Masterboard error
71 Servicemanual_UR5_en_rev3.0.2
Installation the
miscellaneous settings
Check the cable or
change in the Safety
Configuration of the
Installation the
miscellaneous settings
Remove all external
connections to I/O-
interface of
Masterboard. Check for
short circuit