Miller Soft Start 1 Руководство пользователя - Страница 19
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SECTION 5 – MAINTENANCE & TROUBLESHOOTING
5-1. Troubleshooting
Problem
Lack of HF, difficult arc starting.
Starting current unstable.
Difficulty in the control of arc or stability. Diameter or type of tungsten electrode incorrect.
Tungsten electrode oxidizing and not Contact with filler wire or workpiece while welding. Prevent contact with either.
staying clean after completion of weld.
Probable Cause
Leakage of HF through TIG torch cables.
Torch or work cables broken or damaged.
Torch and work cable coiled or excessively long.
Tungsten electrode diameter too large or wrong
type for amperage selected.
High frequency printed circuit or PC1 is faulty.
Worn or faulty remote controls.
Poor gas connection causing contamination of
shielding gas supply.
Insufficient shielding gas flow.
Remedy
Prevent torch cables from contacting work circuit.
Repair or replace damaged parts.
Uncoil cables or reduce length.
Use correct size or type of tungsten electrode.
Replace or contact authorized distributor.
Use correct tungsten electrode.
Check for loose connections and worn parts.
Check all gas fittings for loose connections.
Increase gas flow rates.
OM-189 112 Page 15