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7 TROUBLESHOOTING
0446 404 001
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© ESAB AB 2020
Error
Code
Displayed Content
Fault
Cause
Solution
Left
display
Right
display
E10
E10
None
Primary side
overvoltage
The input voltage is
too high.
Verify that the input
voltage is normal.
E11
E11
None
Current Hall
connector
disconnection
The current Hall
connector is
disconnected.
Refer note below
the table*
E12
E12
None
PCB not registered The PCB is not
certified.
Refer note below
the table*
NOTE!
Call ESAB authorised service personnel.
Perform these checks and inspections before sending for an authorised service technician.
Type of fault
Corrective action
No arc.
• Check that the mains power supply switch is turned
on.
• Check that the mains, welding and return cables are
correctly connected.
• Check that the correct current value is set.
• Check the mains power supply fuses.
The welding current is
interrupted during welding.
• Check whether the thermal protection trip has
operated (indicated by the orange LED on the front).
The thermal protection trips
frequently
• Make sure that you are not exceeding the rated data
for the power source (i.e. that the unit is not being
overloaded).
• Check that the ambient temperature is not above the
one for the rated duty cycle 40°C/104°F.
Poor welding performance
• Check that the welding current supply and return
cables are correctly connected.
• Check that the correct current value is set.
• Check that the correct welding wires are being used.
• Check the main power supply fuses.