Universal Robots ur3 - Page 71

All rights reserved 71 Servicemanual_UR3_en_rev3.1.2
CODE_50A53
58V generator deviation error
CODE_50A54
5V regulator too low
CODE_50A55
5V regulator too high
CODE_50A56
-4V generator too low
CODE_50A57
-4V generator too high
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
Robot Problem: Robot Cable is
not detected
CODE_50A101
Short circuit in robot detected
or wrong robot connected to
control box
Robot Problem: 48V or wrong
robot type
Check robot type. Look for
short circuit In cable and in
robot arm.
CODE_50A102
Voltage rising too slowly
Robot Problem: 48V
CODE_50A103
Voltage failed to reach
acceptable level
Robot Problem: 48V
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
Safety Control Board error
Remove all external
connections to I/O-
interface of Safety Control
Board. Check for short
circuit
CODE_53A1
IO overcurrent detected, max
is 800mA
Safety Control Board error
Remove all external
connections to I/O-
interface of Safety Control
Board. Check for short
circuit
CODE_53A2
IO overcurrent detected, max
is 600mA
Tool error
Remove tool connector.
Check for short circuit
CODE_55
Safety system error
Safety system malfunction
Check Motherboard, Safety
Control Board,
Screenboard, Current
distributor( Euromap, if
installed ). Bypass safety
connections to I/O-
interface of Safety Control