Miller 907684001, Owner'S Manual

Page: 24 / 92

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A complete Parts List is available at www.MillerWelds.com
OM-270536 Page 16
4-5. Duty Cycle And Overheating
247219-B
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, output stops, a
Help message is displayed (see
Section 12-2), and cooling fan runs.
Wait fifteen minutes for unit to cool.
Reduce amperage or voltage, or
duty cycle before welding.
NOTICE − Exceeding duty cycle
can damage machine or torch and
void warranty.
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
0
10 20 30 40 50 60 70 80 90 100
50
100
150
200
% Duty Cycle
Output Amperes
STICK ( 208V Input)
TIG ( 208V Input)
TIG (120V Input)
STICK (120V Input)