Universal Robots UR5 Service Manual page 83

detected
C50 Robot power up failure
C50A1 The 24V I/O has voltage, but
24V regulator is off
C50A2 Voltage present at
unpowered robot
C50A4 Robot is not stopped, this is
an error
C50A5 48V PSU voltage to low after
powerup
C50A6 48V PSU voltage to high after
powerup
C50A11 Voltage not detected at 24V
rail after startup
C50A15 Warning, Waiting for
secondary masterboard
processor
C50A16 Comm. Error with Teach
Pendant under start up
C50A17 Warning, Waiting for
euromap67 interface
C50A18 Warning, Waiting for primary
masterboard processor
C50A19 Warning, Waiting for a valid
"euromap67 activated"
status bit from secondary
masterbaord processor
C50A20 5V measured too high, 5V,
3V3 or ADC malfunction
C50A21 5V measured too low, 5V,
3V3 or ADC malfunction
C50A22 Robot current sensor output
too high for offset calibration
C50A23 Robot current sensor output
too low for offset calibration
C50A24 Robot Power up failure: 48V
not present
C50A25 Robot voltage preset when
the 48V PSU is powered up
C50A26 Voltage present on
unpowered 48V PSU
C50A27 12V measured too high, 12V,
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Electrical error control box
Check internal connection
Transistors ON/OFF function
might be short circuited
83
Check Current Distributor pcb
Replace 48V PSU or Curernt
Distributor is necessary
Remove all external connections
to I/O-interface of Masterboard
Check for short circuit
Argument of error code specifies
in details what causes the error
Check connection to Teach
Pendand, check that correct
type Teach Pendent is
connected. Replace Teach
Pendant if needed.
Check ribbon cable
Check Error phenomena in this
service manual
Servicemanual_UR5_en_rev2.0.5