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Troubleshooting, Caution – Lincoln Electric IM10020 TOMAHAWK 625 User Manual

Page 28

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E-6

TROUBLESHOOTING

E-6

TOMAHAWK™ 625

Observe all Safety Guidelines detailed throughout this manual

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

CAUTION

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Pilot arc starts but will not transfer
when brought near work.

Pilot arc initiates but turns off before
transferring to work. Cutting arc
appears to turn off while cutting.

1. Check work lead connection for

clean, secure connection.

2. Plasma will only cut conductive

material. Do not attempt to cut
fiberglass, plastic, rubber, PVC or
any other non-conductive material.

3. Make sure work piece is clean

and dry. Remove any scale, rust
or dross.

4. Possible faulty Inverter board.

5. Check all connections to Control

Board.

1. Input voltage is below 208V.

2. Air pressure is set too high.

If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.

Lower air pressure by turning regula-
tor knob. Pressure may require
being set lower than blue arrow indi-
cator.