ESAB ESABMig 405, Instruction Manual

Page: 67 / 205

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405,505e
8 FAULT TRACING
Try these recommended checks and inspections before sending for an authorised service technican.
Type of fault Actions
No arc S Check that the mains power supply switch is turned on.
S
Check that the welding current supply and return cables are
correctly connected.
S Check that correct current value is set.
S
Check to see whether the MCB has tripped.
Welding current is interrupted
during welding
S Check whether the thermal overload trip has operated
(indicated by the orange lamp on the front).
S Check the main power supply fuses.
Thermal overload trips
operate frequently
S
Check to see whether the air filters are clogged.
S 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 S Check that the welding current supply and return cables are
correctly connected.
S Check that the correct current value is set.
S Check that the correct welding wires are being used.
S
Check the main power supply fuses.
9 ORDERING OF SPARE PARTS
ESABMig 405 & ESABMig 505 is designed and tested in accordance with the interna-
tional and European standards IEC/EN 60974–1 and EN 50199. It is the obligation of the
service unit which has carried out the service or repair work to make sure that the pro-
duct still conforms to the said standard.
Spare parts may be ordered through your nearest ESAB dealer, see the last page of
this publication.
GB