Forney 700P Manual De Instrucciones página 24

TROUBLE EXPERIENCED
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
Insufficient Penetration
Interruption of the
Cutting Arc, but re-ignites
when triggered again
24
POSSIBLE REASONS
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
Too high cutting speed
Work piece is too thick
Too high cutting speed
Torch is too tilted
Work piece is too thick
Cutting current too low
Torch parts are worn
out
Non-genuine
Manufacturer's parts
Cutting speed too slow
Excessive distance
between torch and
work piece
AC line too low -
reduce output current
Torch parts are worn
out
Non-genuine
Manufacturer's parts
Work cable is
disconnected
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RECOMMENDED SOLUTION
Properly connect the work clamp to the work
piece.
Insure 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.
Decrease your torch travel speed
Insure that torch is perpendicular to the work
piece
Choose thinner work piece material within the
operational limits of the system.
Insure system has proper input power source
If used, eliminate or reduce length of extension
cord.
Examine the consumables for wear and replace
worn parts with new Forney consumable parts
Use only genuine Forney consumables for
optimum performance
Increase your torch travel speed
Decrease the distance between the torch and the
work piece
Insure system has proper input power source
If used, eliminate or reduce length of extension
cord.
Examine the consumables for wear and replace
worn parts with new Forney consumable parts
Use only genuine Forney consumables for
optimum performance
Securely clamp the work cable to the material
being cut, as close to the work area as possible.