Problem

Probable Cause

Remedy

 

 

 

Welding arc not stable.

Wire slipping in drive rolls.

Adjust pressure setting on wire feed rolls. Replace worn

 

 

drive rolls if necessary.

 

 

 

 

Wrong size gun liner or contact tip.

Match liner and contact tip to wire size and type.

 

 

 

 

Incorrect voltage setting for selected wire feed speed on

Readjust welding parameters.

 

welding power source.

 

 

 

 

 

Loose connections at the gun weld cable or work cable.

Check and tighten all connections.

 

 

 

 

Gun in poor shape or loose connection inside gun.

Repair or replace gun as necessary.

 

 

 

OM-219 316 Page 37

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Image 41
Miller Electric H-10, MW 140 Plus warranty Welding arc not stable Wire slipping in drive rolls