Schumacher 120V 用户手册

The following TROUBLESHOOTING information and tables are provided as a guide to help resolve 
some of the more common problems that could be encountered. Should you or qualified repair 
personnel be unable to resolve a problem or determine which of the possible solutions will remedy a 
specific problem, contact WELDER SERVICE for over-the-phone diagnostic assistance at: (800) 458-
6447. 

In some cases, error codes may appear on the digital display.  The table below indicates the type of 
error.  Record these error codes when calling Technical Service. 

Make sure that the nozzle cap is properly 
installed and tightened firmly.  Switch the 
power OFF and then ON again. 

Switch the power OFF and then ON 
again.  If the failure code persists call 
WELDER SERVICE. 

Make sure that the torch trigger is not 
pressed when switching the unit ON.  
Switch the unit OFF and then ON again. 

Switch the power OFF and then ON 
again.  If the failure code persists call 
WELDER SERVICE. 

 

Worn consumables 

Replace consumables 

Moist air 

Add water trap to incoming air supply line 

Torch angle wrong 

Hold torch perpendicular to workpiece 

Worn consumables 

Replace consumables 

Travel rate too slow 

Increase speed of torch travel 

Cutting power set too high 

Reduce amperage 

Worn consumables 

Replace consumables 

 

Travel rate too fast 

Decrease speed of torch travel 

 

Cutting power set too low 

Increase amperage 

 

 

 

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