PN-0908073 Rev. 11 61-92
PS 164-2
THE ART OF WELDING
Observed defect Possible causes What to do
No cycle start with a ma-
nual torch
• The plug of the torch is badly connected or
laid
• 21700633 defect
• Check and correct
• Replace
Display is vanishing
when arc is setting up
• +5 V power card defect • Replace
Gas fl ow too low • Gas pipe is blocked in the welding head
• Gas safety defect
• Gas electric valve defect
• Check, clean
• Have a skilled electrician to
check and replace, if neces-
sary
No rotation of the welding
head or the wire feed unit,
without any error display
• Pin broken on the head or the wire feed. • Change the pin (read the ma-
nual of the welding head or
the wire feed unit)
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