EWM tigSpeed continuous drive 45 hotwire Operating Instructions Manual page 59

Wire feed problems
 Unsuitable or worn welding torch equipment

Adjust contact tip (cold wire/hot wire) to wire diameter, blow through 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
 Setting the spool brake - See 5.11.5 Spool brake setting chapter

Check settings and correct if necessary
 Setting pressure units - See 5.11.4 Inching the wire electrode chapter

Check settings and correct 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
Pore formation
  I nadequate 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)

Use gas lens for aluminium applications and high-alloy steels
 Unsuitable or worn welding torch equipment

Check size of gas nozzle and replace if necessary
 Condensation (hydrogen) in the gas tube

Replace hose package
099-000236-EW501
21.10.2015
Rectifying faults
Checklist for rectifying faults
59