7 TROUBLESHOOTING
0463 272 001
- 20 -
© ESAB AB 2017
7
TROUBLESHOOTING
Try these recommended checks and inspections before sending for an authorised service
technican.
Type of fault
Actions
No arc
• Check that the mains power supply switch is turned on.
• Check that the welding current supply and return cables
are correctly connected.
• Check that correct current value is set.
Welding current is
interrupted during welding
• Check whether the thermal overload trip has operated
(indicated by the orange lamp on the front).
• Check the main power supply fuses.
Thermal overload trips
operate 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).
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.
• Check the wire feed unit - that proper rolls are applied and
properly set the pressure of the wire feeder's pressure
rollers.