Troubleshooting - Forney 700P Manual De Instrucciones

Troubleshooting

During cutting operations performance faults may arise which are not caused by equipment
malfunctioning but by other operational faults such as:
Most common plasma cutting faults:
1. The cut speed is too fast.
2. The consumables are worn.
3. The metal being cut is too thick.
4. The work clamp is not properly attached to the work piece.
5. The compressor is inadequate.
The following table represents the most common problems associated with using the Forney 700P
plasma system and an explanation on how to resolve them.
If you are unable to fix the problem by following the basic troubleshooting guide or if you need further
assistance:
1. Call your Forney Authorized Dealer;
2. Call Forney Customer Service.
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.
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
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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.
Insure 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 that torch consumables are properly
installed.
Replace torch.
Trained technical service required.
Replace torch.
Trained technical service required.
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