Rectifying faults
Checklist for rectifying faults
099-005549-EW501
12.11.2018
41
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
The correct machine equipment for the material and process gas in use is a fundamental
requirement for perfect operation!
Legend
Symbol
Description
Fault/Cause
Remedy
Coolant error/no coolant flowing
Insufficient coolant flow
Check coolant level and refill if necessary
Air in the coolant circuit
Vent coolant circuit
> see 7.2 chapter
Wire feed problems
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
Contact tip blocked
Clean, spray with anti-spatter spray and replace if necessary
Worn wire rolls
Check and replace if necessary
Wire feed motor without supply voltage (automatic cutout triggered by overloading)
Reset triggered fuse (rear of the power source) by pressing the key button
Kinked hose packages
Extend and lay out the torch hose package
Incompatible parameter settings
Check settings and correct if necessary
Arc between gas nozzle and workpiece (metal vapour on the gas nozzle)
Replace gas nozzle
Welding torch overheated
Insufficient coolant flow
Check coolant level and refill if necessary
Eliminate kinks in conduit system (hose packages)
Loose 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
