OM-235 241 Page 24
Trouble
Remedy
Lack of HF, difficult arc starting. Unstable
arc starts.
Prevent torch cables from contacting work circuit.
Repair or replace damaged or broken torch or cables.
Use correct size and/or type of tungsten electrode.
Have Factory Authorized Service Agent check control board PC1.
Arc unstable or difficult to control.
Use correct size and/or type of tungsten electrode.
Check for loose connections or worn parts (see Section 6-1).
Tungsten electrode oxidizing and not
clean after completion of weld.
Prevent contact with filler wire or workpiece while welding.
Check all gas fittings for loose or poor connections.
Increase gas flow rate.
6-3.
Temperature/Ammeter Help Displays
956.142.656
1
Display Screen
•
HLP 1 Display
Indicates 500 amps has been
exceeded for 5 seconds.
•
HLP 2 Display
Indicates an open/shorted ther-
mistor.
•
HLP 3 Display
Indicates an over temperature
condition.
•
HLP 0 Display
Indicates a ground fault.
1
