Würth 5952 000 180, Operating Instructions Manual

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28
Troubleshooting
Error messages
Fault Possible cause Remedy
Mains LED
[10]
and Fault
LED [8] light up
Mains fuse defective Replace the fuse
Neutral conductor, mains phase missing Check mains cable/mains extension cable
Mains LED [10] lights up
and Fault LED [8] flashes
System error
Switch off the machine, wait until the Mains
LED [10] goes out, then switch on the
machine again.
If the fault persists, contact Service
Mains LED [10] lights up,
but no welding current
Ground cable not connected or defective
Check the ground cable and replace, if
necessary
Electrode holder or welding torch not con -
nected or defective
Check the electrode holder or welding torch
and replace, if necessary
Fault LED
[8]
is lit constantly CDF exceeded, machine is overheating
Leave the machine switched on and allow to
cool down.
Faults during welding
Fault Possible cause Remedy
The electric arc is not drawn
No or bad ground contact Ensure a good ground contact
Wrong electrode diameter Select the right electrode diameter
Welding current set too low Set welding current higher
Tungsten electrode contaminated or incor-
rectly ground
Grind correctly or replace the electrode, if
necessary
Gas flow rate set incorrectly Set gas flow rate correctly
No shielding gas
Gas cylinder empty Replace the gas cylinder
Pressure reducer defective Check, replace if necessary
Gas valve on welding torch not open or
defective
Check, replace if necessary
Insufficient shielding gas
Welding torch leaking Check, replace if necessary
Gas hose not securely connected Connect the gas hose securely
Pressure reducer incorrectly set or defective Check, replace if necessary
Pores in weld material Welding torch leaking Check, replace if necessary
Gas nozzle not securely connected Connect the gas nozzle securely
Torch head defective Check, replace if necessary
Workpiece soiled with grease, rust, oil, etc. Clean
Draughts
Shield the workplace
Seam "boils" (unsteady
electric arc)
No gas supply Check
Wrong gas Use the correct gas
TIG electrode melts
Welding current set too high for electrode
diameter
Set the correct welding current
Poles reversed and TIG torch connected to
+ve pole [4]
Connect TIG torch to the -ve pole [3]