iROB
®
501, iROB
®
401, iROB
®
301
10 Faults and troubleshooting
EN
-
57
E-
700
1
Excess current has been
detected on the output side of
the welding power source.
► Check that the contact pipe at the end of the torch is not
touching the component.
► Check all connecting cables for abnormalities
(e.g., short circuits).
The error message is canceled when the welding power
source is switched off.
E-
710
1
Phase “W” on the primary
power supply side is not
connected.
► Check that the primary side voltage supply is free
of faults.
The error message is canceled when the welding power
source is switched off.
E-
840
1
The temperature of the pull-feed
motor has exceeded the
permissible range.
► Ensure that the wires are not stuck and that there are no
other abnormalities in the welding torch or wire feeder.
► Ensure that the welding torch or the supply hose is not
clogged.
The error message is canceled when the power switch is
turned off.
E-
950 to 956
1
CAN communication fault.
► Check whether the CAN communications line is firmly
plugged into the CAN communication connector’s CN3
connection for the welding power source.
► Check whether the CAN communications line is firmly
connected to the CNCAN terminal of the AC servo wire
feeder controller.
The error message is canceled when the power switch is
turned off.
E-
992 to 998
Tab. 19
Fault codes on the control panel and their remedy
Fault code
Type of fault
1 = alarm
2 = warning
Cause of fault
Measure
