REHM TIGER DIGITAL 180 AC/DC ULTRA, Operating Instructions Manual

Page: 62 / 83

Fault
62
Arc has a strange colour
Cause: Remedy:
No or too little protective gas Check
Electrode dirty Grind
Electrode burns off
Cause: Remedy:
No protective gas Check
Current load too high Use a thicker electrode
Pulse share too high with AC current Increase the negative share using
welding balance
Connection between the torch and the Connect correctly
grounding cable reversed
Electrode welding is set Set TIG welding
System does not pulse
Cause: Remedy:
Pulse is not switched on Set pulse time T1 and / or T2
Values for T1 and T2 are equal Change the values
Arc breaks away on ignition
Cause: Remedy:
Ignition energy set loo low Set the ignition energy or use
thinner electrode
Electrode is consumed or dirty Grind electrode