Manual 0-2470 61 CUSTOMER/OPERATOR SERVICE
G. DC indicator not lit when
torch switch is activated
H. Torch pilots but does not
cut
I. Torch cuts but not ad-
equately
1.Switch activated during 20
second pre-flow
2.DC output not present*
1.Torch too far from
workpiece
2.Work lead not connected
3.Power supply not sensing
transfer current*
1.Current set too low
2.Torch is being moved too
fast across workpiece
3.Excessive oil or moisture
in torch
1.Release switch and wait at
least 20 seconds before
activating switch again
2.Check DC output (see
Section 5.08, page 68)
1.Hold torch 1/8 inch (3
mm) from workpiece
2.Make sure work lead is
connected securely (check
continuity if necessary)
3.Check D23 indicator on
LDD board. If not lit, send
unit to an authorized
service center
1.Increase current setting
2.Reduce cutting speed (see
Cutting Speeds, page 40)
3.Hold torch 1/8 inch (3
mm) from clean surface
while purging and observe
oil or moisture buildup
(do not activate torch)
SYMPTOM POSSIBLE CAUSE REMEDY
5.07 POWER SUPPLY TROUBLESHOOTING (continued)
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