Rectifying faults
Checklist for rectifying faults
099-008724-EW501
08.01.2012
53
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
Checklist for rectifying faults
NOTE
The correct machine equipment for the material and process gas in use is a
fundamental requirement for perfect operation!
Legend Symbol Description
a
Fault/Cause
#
Remedy
Coolant error/no coolant flowing
a
Insufficient coolant flow
#
Check coolant level and refill if necessary
#
Eliminate kinks in conduit system (hose packages)
#
Reset automatic cutout of the coolant pump by activating
a
Air in the coolant circuit
#
see chapter "Vent coolant circuit"
Functional errors
a
Machine control without displaying the signal lights after switching on
#
Phase
failure
>
check
mains connection (fuses)
a
No welding performance
#
Phase
failure
>
check
mains connection (fuses)
a
Various parameters cannot be set
#
Entry level is blocked, disable access lock (see chapter entitled "Lock welding parameters
against unauthorised access")
a
Connection problems
#
Make control lead connections and check that they are fitted correctly.
Welding torch overheated
a
Loose welding current connections
#
Tighten power connections on the torch and/or on the workpiece
#
Tighten contact tip correctly
a
Overload
#
Check and correct welding current setting
#
Use a more powerful welding torch
Unstable arc
a
Unsuitable or worn welding torch equipment
#
Adjust contact tip to wire diameter and -material and replace if necessary
#
Adjust wire guide to material in use, blow through and replace if necessary
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
