Rectifying Faults; Customer Checklist - EWM Tetrix 352 AC/DC RC Operating Instructions Manual

Rectifying faults

Customer checklist

7 Rectifying faults
7.1 Customer checklist
Legend
a: Fault/Cause
#: Remedy
The correct machine equipment for the material and process gas in use is a
fundamental requirement for perfect operation!
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/collet 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
40
NOTE
099-000139-EW501
01.08.2011