Rectifying faults
Customer checklist
20
099-500046-EW501
14.06.2011
7
Rectifying faults
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.
7.1
Customer checklist
NOTE
The correct machine equipment for the material and process gas in use is a
fundamental requirement for perfect operation!
Legend
a
: Fault/Cause
#
: Remedy
Welding torch overheated
a
Insufficient coolant flow
#
Check coolant level and refill if necessary
#
Eliminate kinks in conduit system (hose packages)
a
Loose welding current connections
#
Tighten power connections on the torch and/or on the workpiece
#
Tighten contact tip/collet correctly
a
Overload
#
Check and correct welding current setting
#
Use a more powerful welding torch
Functional error with the welding torch operating elements
a
Connection problems
#
Make control lead connections and check that they are fitted correctly.
a
Insufficient coolant flow
#
Check coolant level and refill if necessary
Unstable arc
a
Material inclusions in the tungsten electrode due to contact with filler material or workpiece
#
Regrind or replace the tungsten electrode
a
Incompatible parameter settings
#
Check settings and correct if necessary
Pore formation
a
Inadequate or missing gas shielding
#
Check shielding gas setting and replace shielding gas cylinder if necessary
#
Shield welding site with protective screens (draughts affect the welding result)
a
Unsuitable or worn welding torch equipment
#
Check size of gas nozzle and replace if necessary
a
Condensation (hydrogen) in the gas tube
#
Rinse hose package with gas or replace
