TROUBLESHOOTING

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.

FRONT PANEL – TROUBLESHOOTING ERROR CODES

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.

DISPLAY

CORRECTION/RESET

 

 

F14

Make sure that the nozzle cap is properly

 

installed and tightened firmly. Switch the

 

power OFF and then ON again.

 

 

F10 - F11 - F12 -F13

Switch the power OFF and then ON

 

again. If the failure code persists call

 

WELDER SERVICE.

 

 

F 15

Make sure that the torch trigger is not

 

pressed when switching the unit ON.

 

Switch the unit OFF and then ON again.

 

 

F20 - F30 - F51 - F52 - F53 -

Switch the power OFF and then ON

F54 -F55 - F56

again. If the failure code persists call

 

WELDER SERVICE.

 

 

GENERAL CUTTING PROBLEMS – TROUBLESHOOTING

Symptom

 

Possible Causes

Corrective Action

 

 

 

 

Difficult

to

Worn consumables

Replace consumables

maintain arc

 

 

 

 

 

 

 

 

 

Moist air

Add water trap to incoming air supply line

 

 

 

Build up of dross

Torch angle wrong

Hold torch perpendicular to workpiece

underneath cut

 

 

 

 

 

 

 

 

 

Worn consumables

Replace consumables

 

 

 

 

 

 

Travel rate too slow

Increase speed of torch travel

 

 

 

 

 

 

Cutting power set too high

Reduce amperage

 

 

 

 

Difficulty

 

Worn consumables

Replace consumables

penetrating

 

 

 

workpiece

 

 

 

 

 

 

 

 

 

Travel rate too fast

Decrease speed of torch travel

 

 

 

 

 

 

Cutting power set too low

Increase amperage

 

 

 

 

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Schumacher 120V manual Front Panel Troubleshooting Error Codes, General Cutting Problems Troubleshooting