EN
-
56
10 Faults and troubleshooting
iROB
®
501, iROB
®
401, iROB
®
301
E-
100
1
Fault in the control voltage.
► If the welding power source is connected to other
devices, check all connection lines for abnormalities
(e.g. short circuits).
The error message is canceled when the welding power
source is switched off.
E-
150
1
Primary input voltage has
exceeded the permissible range.
► Check whether the primary input voltage is
between 340 and 460 V.
The error message is canceled when the welding power
source is switched off.
E-
160
2
Primary input voltage has fallen
below the permissible range.
► Check whether the primary input voltage is
between 340 and 460 V.
► Check the set value of the internal function F20.
The error message is canceled when the welding power
source is switched off.
E-
210
1
Arc voltage was not detected.
► Check whether the welding current supply line, the
welding current return line, and the voltage test lead are
properly connected.
The error message is canceled when the welding power
source is switched off.
E-
300 to 303
1
The temperature inside the
welding power source has
exceeded the permissible range.
1
Stop all welding operations and allow the fans to run
for 10 minutes or longer.
2
Switch off the device.
3
Clean the device’s interior.
9.2 Cleaning the device on page EN
The error message is canceled when the welding power
source is switched off.
► After restarting, ensure that the permissible duty cycle is
not exceeded.
E-
310 to 313
2
The fans are not rotating.
The fan may be blocked by dust accumulation or foreign
objects.
► Clean the inside of the welding power source.
9.2 Cleaning the device on page EN
If the problem persists, the fan may be defective.
► Contact the service team.
The error message is canceled when any button on the
control panel is pressed.
E-
510
1
Fault in the cooling water pump
of the optional cooling unit.
► Check the water pump and hoses for leaks and ensure
the coolant levels are sufficient.
► If an air-cooled torch is used, ensure that the LED above
the <Cooling unit on/off> button is not illuminated.
E-
615
2
Fault in the stored backup data. The specified welding parameters and setting of the internal
functions may need to be initialized.
► After the fault has been remedied, make sure that the
data is not corrupted.
The error message is canceled when any button on the
control panel is pressed.
Tab. 19
Fault codes on the control panel and their remedy
Fault code
Type of fault
1 = alarm
2 = warning
Cause of fault
Measure
