Operating problems, causes and remedies
Customer checklist
16
Item No.:099-011623-EWM01
8
Operating problems, causes and remedies
All products are subject to rigorous production checks and final checks. If, despite this, something fails to
work at any time, please check the product using the following flowchart. If none of the fault rectification
procedures described leads to the correct functioning of the product, please inform your authorised
dealer.
8.1
Customer checklist
Error Cause
Remedy
• Collet/gas nozzle not secured correctly.
• Power connections on torch side and
to workpiece are loose.
• Check
and
tighten!
Torch gets too hot.
• Insufficient coolant flow.
• Check cooling system!
• Control lead broken/faulty.
• Check/repair!
No key function.
• Flow monitor in circulation cooling unit
has been triggered.
• Check coolant level and top up if
necessary!
Arc between gas
nozzle and
workpiece.
• Spatter bridge between collet and gas
nozzle.
• Clean inside of gas nozzle!
• Change the properties of the Tungsten
electrode which may occur with alloy
deposits due to contact with the
workpiece material or the filler material.
• Re-grind or replace the Tungsten
electrode.
Unstable arc.
• Incorrect welding parameters set. •
Correct
welding
parameters!
• Significant spatter formation in the gas
nozzle.
• Clean
gas
nozzle!
• Insufficient or missing gas cover.
• Check gas cylinder contents and
pressure setting!
Pore formation.
• Draft is blowing away shielding gas.
• Shield place of welding work using
safety walls!
