-- 12 --
T1725e
7
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.
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 inlets/outlets 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.
S
Check the wire feed unit -- if proper rolls are applied and
properly set the pressure of the wire feeder’s pressure rollers
Tradesmig 171/201/251 is designed and tested in accordance with the international and
European standards IEC/EN 60974--1 and EN 60974--10. It is the obligation of the servi-
ce unit which has carried out the service or repair work to make sure that the product
still conforms to the said standard.
Summary of Contents for Tradesmig 171
Page 13: ...Diagram 13 dT1725 Tradesmig 171 240V valid untill June 2008 ...
Page 14: ... 14 dT1725 Tradesmig 171 240V valid from July 2008 ...
Page 15: ... 15 dT1725 Tradesmig 201 240V valid untill June 2008 ...
Page 16: ... 16 dT1725 Tradesmig 201 240V valid from July 2008 ...
Page 17: ... 17 dT1725 Tradesmig 251 240V valid untill June 2008 ...
Page 18: ... 18 dT1725 Tradesmig 251 240V valid from July 2008 ...
Page 22: ... 22 hints ...
Page 23: ... 23 hints ...
Page 24: ... 24 hints ...