Rectifying Faults; Checklist For Rectifying Faults - EWM Tetrix 351 Comfort FW Operating Instructions Manual

Rectifying faults

7
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

The correct machine equipment for the material and process gas in use is a
fundamental requirement for perfect operation!
Legend
Functional errors
 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 ir in the coolant circuit

"See 7.6 Vent coolant circuit chapter"
 Machine control without displaying the signal lights after switching on

Phase failure > check mains connection (fuses)
 No welding performance

Phase failure > check mains connection (fuses)
 Various parameters cannot be set

Entry level is blocked, disable access lock "See 5.12 Protecting welding parameters from
unauthorised access chapter"
 Connection problems

Make control lead connections and check that they are fitted correctly.
Welding torch overheated
  L oose welding current connections

Tighten power connections on the torch and/or on the workpiece

Tighten contact tip correctly
 Overload

Check and correct welding current setting

Use a more powerful welding torch
099-000117-EW501
26.08.2014
Symbol Description

Fault/Cause

Remedy
NOTE
Rectifying faults
Checklist for rectifying faults
79