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104
10 Faults and troubleshooting
iROB
®
501 PRO
599
Status of transition fault 2
The status of the wire feed control unit
is already "in motion" when
communication to the welding power
source is established.
► Check the wiring of the motor and encoder.
► Check the communications line connection
to the welding power source.
► Check whether the fault can be resolved
after the welding power source is switched
on again.
► Contact the service team.
709
7-segment display fault
The 7-segment display is defective.
► Check the wire feed control unit’s wiring.
► Replace the wire feed control unit.
► Contact the service team.
719
729
778
CAN communication fault
A CAN communication fault has
occurred.
► Check the communications line connection
to the welding power source.
► Check the routing and connection of control
and earthing cables.
► If welding parameters are changed
frequently, adjust the programming.
► Check whether the fault can be resolved
after the welding power source is switched
on again.
► If the fault persists, check the MPD alarm
displayed.
► If the fault still persists, contact the service
department.
788
798
808
818
828
838
848
858
868
CAN communication command fault The wire feed control unit has
received an abnormal control
command.
► Check whether the software used on the
robot control system, the welding power
source and the wire feed control unit is
a permissible combination.
► Check the communications line connection
to the welding power source.
► Check the routing and connection of control
and earthing cables.
► Check whether the fault can be resolved
after the welding power source is switched
on again.
► If the fault persists, check the MPD alarm
displayed.
► If the fault still persists, contact the service
department.
878
888
CAN communication fault
The wire feed control unit has
received an abnormal control
command.
► Check the communications line connection
to the welding power source.
► Check the routing and connection of control
and earthing cables.
► If welding parameters are changed
frequently, adjust the programming.
► Check whether the fault can be resolved
after the welding power source is switched
on again.
► If the fault persists, check the MPD alarm
displayed.
► Contact the service department if the fault
persists.
898
908
918
928
938
948
Tab. 46
Fault numbers
No.
Fault
Cause of fault
Measure