7 TROUBLESHOOTING
0463 431 001
- 18 -
© ESAB AB 2016
7
TROUBLESHOOTING
Try these recommended checks and inspections before sending for an authorised service
technician.
Type of fault
Actions
No arc.
•
Check that the mains power supply switch
is turned on.
•
Check that the mains, welding current
and return cables are correctly
connected.
•
Check that the correct current value is
set.
•
Check the mains power supply fuses.
Welding current is interrupted during welding •
Check whether the thermal protection trip
has operated (indicated by the orange
LED on the front (3))
•
Check the main power supply fuses it the
LED indicating power supply (4) is not lit.
•
Check that the return cable is correctly
fastened.
The thermal protection trips frequently
•
Check to see whether the air filters are
clogged.
•
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 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 mains power supply fuses.
Nothing happens when the trigger on the
welding torch is pushed.
•
Check the fuse on the rear part of the
power source.
•
Check if the welding and return cables
are damaged.
•
Check that the wire feeder works
correctly. See the wire feeder instruction
manual.
