6
Operating faults, causes and remedies
6/1
All machines are subjected to strict manufacturing and final inspection procedures. If, despite this,
something fails to work at any time, please check machine using the following process chart. If
none of the fault elimination procedures described leads to the correct functioning of the machine,
please inform your authorised dealer.
Customer checklist
Switch on machine at the mains
switch
Yes
Machine is operative (fan running)
No
····
Mains supply interrupted
····
Mains plug not inserted
····
Mains plug wrongly connected
····
Mains fuse faulty
····
Mains switch faulty
····
Excess temperature, yellow LED lights
(allow machine to cool)
Yes
Welding current
No
····
Electrode holder or workpiece lead not
connected
Yes
Good welding properties
No
····
Wrong material composition
····
Electrodes and workpiece leads
misconnected (follow manufacturer’s
instructions for electrodes)
····
Electrode not clean, incorrect switch
position PWS +/-.
Yes
Remote control functions
No
····
Remote control plug not connected to the
machine
····
Remote control or cable defective
