REHM INVERTIG.PRO COMPACT 240 DC Betriebsanleitung Seite 130

Arc flickers and jumps
Cause:
Electrode and work piece do not reach
working temperature
Electrode is badly pointed
No suitable electrode
Arc is a strange colour
Cause:
No/too little/incorrect inert gas
Electrode is dirty
Electrode burns off
Cause:
No inert gas
Current load too high
Proportion of Plus too high when welding
with alternating current
Connectors for torch and earth cable swapped
MMA welding is set
Unit is not pulsing
Cause:
Pulse is not activated
Values for I1 and I2 are the same
Arc breaks away on ignition
Cause:
Ignition energy has been set too low
Electrode is used or dirty
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Solution:
Use thinner electrode
Sharpen electrode.
Change electrode
Solution:
Check
Sharpen
Solution:
Check
Use thicker electrode
Use the Balance to increase
the proportion of Minus
Connect the correct way round
Set TIG welding
Solution:
Set T1 and/or T2 pulse times
Change values
Solution:
Set the ignition energy or use a thinner
electrode
Sharpen electrode again
Faults