Tweco 12mm Cutmaster - Manual (Page 33)

CUTMASTER 10MM, 12MM
Manual 0-5197AD 5-3 SYSTEM SERVICE
C. Air indicator OFF.
1. Gas pressure too low. Check supply pressure.
D. TEMP indicator ON, (AC indicator ON).
1. Unit air flow obstructed.
a. Check for blocked air flow around the unit and correct condition.
2. Fan blocked.
a. Check for blocked status and correct condition.
3. Unit is overheated.
a. Keep the machine plugged in and turned ON for five minutes. This will allow the fan to run and cool the
machine.
4. Faulty components in unit.
a. Have an Accredited CIGWELD service provider repair or replace as required.
E. Torch will not pilot, when torch trigger is activated.
1. Faulty parts in torch.
a. Check torch parts per "5T.01 General Maintenance" on page 5T-1; replace as needed.
2. Gas pressure too low.
a. Adjust supply pressure to proper setting value.
3. Faulty components in unit.
a. Have an Accredited CIGWELD service provider repair or replace as required.
F. No cutting output when torch is activated; AC indicator ON, gas flows, fan turns.
1. Torch is not connected properly to Power Source.
a. Check torch connection to Power Source.
2. Working cable not connected to workpiece, or connection is poor.
a. Make sure that work cable has a proper connection to a clean, dry area of the workpiece.
3. Faulty components in unit.
a. Have an Accredited CIGWELD service provider repair or replace as required.
4. Faulty torch.
a. Have an Accredited CIGWELD service provider repair or replace as required.
G. Torch cuts but not adequately.
1. Incorrect setting of output current control.
a. Check and adjust to proper setting.
2. Working cable connection to workpiece is poor.
a. Make sure that work cable has a proper connection to a clean, dry area of the workpiece.
3. Faulty components in unit.
a. Have an Accredited CIGWELD service provider repair or replace as required.