Forney 325P Manuel D'utilisation page 23

TROUBLE EXPERIENCED
GREEN LED OFF, Fan not
operating.
GREEN LED ON, YELLOW
Over-temperature LED
ON.
GREEN LED ON, YELLOW
Over-temperature LED
OFF, no air flow when
torch switch pressed.
GREEN LED ON, YELLOW
Over-temperature LED
OFF. Air flows, Pilot arc
does not start.
Torch has pilot arc but
does not cut.
The arc does not transfer
to the work piece.
Poor cut quality
Sparks are being blown
upward and back at the
torch head
POSSIBLE REASONS
No Input Power
Unit is overheated.
Air flow obstructed
Shield cup not properly
installed
Faulty torch switch or
parts assembly in torch
holder
Faulty main PC Board
Faulty torch parts
Faulty main PC Board
Work lead not con-
nected
AC input power too
low
Faulty main PC Board
Insufficient work clamp
contact with the work
piece
Torch may be too far
away from the work
piece.
Improper use of torch
Torch parts are worn
out
Cutting speed too fast
Work piece is too thick
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RECOMMENDED SOLUTION
Connect system to proper input power source.
Verify that the power is on the main power panel
or at the disconnect-power switch box.
Ensure power switch (rear) is in the On position
Allow unit to cool with internal fan running,
once cool reduce arc cutting time to below duty
cycle rating of the system.
Check torch consumables for proper installation.
Examine the consumables for wear, debris, ob-
structed holes and replace worn parts with new
Forney consumable parts
Check torch consumables are properly installed.
Replace torch.
Trained technical service required.
Replace torch.
Trained technical service required.
Properly connect the work clamp to the work
piece.
Ensure system has proper input power source
If used, eliminate or reduce length of extension
cord.
Trained technical service required.
Clean the area where the work clamp attaches
to the work piece to insure a good metal to
metal connection.
Inspect the work clamp and its lead for damage,
repair or replace as necessary.
Move torch closer to the work piece and fire the
torch again.
Review operating instructions
Examine the consumables for wear and replace
worn parts with new Forney consumable parts
Decrease your torch travel speed
Choose thinner work piece material within the
operational limits of the system.
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