2
.
Duty
Cycle
And
Overheating
1
.
Overheat
protection
is
installed
on
the
aluminium
board
of
main
transformer
and
rectifier
.
The
unit
products
heat
while
welding
.
2
.
If
unit
overheats
,
output
stops
,
and
cooling
fan
runs
.
3
.
Wait
fifteen
minutes
for
unit
to
cool
.
Reduce
amperage
or
voltage
,
or
duty
cycle
before
welding
.
Overheating
Stop
working
Wait
15
minutes
for
unit
to
cool
Reduce
amperage
or
reduce
duty
cycle
0
15
A
Weld
again
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