Universal Robots UR e Series Service Manual

All rights reserved 95 Service Manual e-Series (EN) 1.1.8
C51A1
Primary screen processor
CRC check failure on safety processor 1 in
Teach Pendant
C51A2
Secondary screen processor
CRC check failure on safety processor 2 in
Teach Pendant
C51A3
Primary E67
C51A4
Secondary E67
C53A
IO overcurrent detected
Control Board error
Remove all external connections to I/O-interface of Safety Control
Board. Check for short circuit
C53A1
, max is 800mA
C53A2
, max is 600mA
C55A
Safety system error
Safety system malfunction
a) Check Motherboard, Control Board, Screenboard, Current
distributor (Euromap, if installed).
b) Check safety devices and cables/connections to these devices.
c) Do a Complete rebooting sequence
C55A23
Safety relay error (minus connection)
Current distributor error
a) Check cable from Control Board to Current distributor or 48V Power
supply and Current distributor for issues
b) Do a Complete rebooting sequence
C55A24
Safety relay error (plus connection)
Current distributor error
a) Check cable from Control Board to Current distributor or 48V Power
supply and Current distributor for issues
b) Do a Complete rebooting sequence
C55A33
Safety relay error (a relay is stuck)
Current distributor error
a) Check cable from Control Board to Current distributor or 48V Power
supply and Current distributor for issues
b) Do a Complete rebooting sequence
C55A34
Safety relay error (relays are not on)
Current distributor error
a) Check cable from Control Board to Current distributor or 48V Power
supply and Current distributor for issues
b) Do a Complete rebooting sequence
C55A50
Voltage present at unpowered robot
Safety Control Bord hardware fault
a) Do a Complete rebooting sequence.
b) If this happens more than two times in a row, replace Control Board
C55A51
Voltage will not disappear from robot
Safety Control Bord hardware fault
a) Do a Complete rebooting sequence.
b) If this happens more than two times in a row, replace Control Board
C55A52
5V, 3V3 or ADC error (5V too low)
Safety Control Bord hardware fault
a) Do a Complete rebooting sequence.
b) If this happens more than two times in a row, replace Control Board
C55A53
5V, 3V3 or ADC error (5V too high)
Safety Control Bord hardware fault
a) Do a Complete rebooting sequence.
b) If this happens more than two times in a row, replace Control Board
C55A90
Bootloader error, robot voltage too low or
current too high
C55A91
Bootloader error, robot voltage too high

Universal Robots UR e Series Specifications

General

Brand	Universal Robots
Model	UR e Series
Category	Robotics
Language	English