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FUNCTION PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
Call 1-888-935-3877.
CAUTION
The engine will not go to high
idle when using auxiliary power.
The automatic idle system
functions normally when welding.
Weld and auxiliary power is
normal when the idle switch is in
the “High Idle” position. The
engine starts, runs, and shuts
down normally.
The load applied to the
auxiliary receptacles may be
too low. A load of 150 Watts
minimum is required for the
idle system to operate reliably.
Check that any power cords
are in good condition and
properly connected.
Verify that any devices
operating from the auxiliary AC
power are operating correctly
and are in good condition. Try
plugging the device into
another source of AC power to
be sure it is functioning
properly.
Some devices may test the
input power for correct voltage
and frequency before they will
operate. If such a device is
being used, the idle switch will
need to be placed in the “High”
position. The current drawn by
many of these devices, when
testing the power, is too low to
reliably activate the automatic
idle system.
The Toroidal Current
Transformer or the wiring
connecting it to the
idler/engine protection PC
board may be faulty.
The idler/engine protection
PC board may be faulty.
TROUBLESHOOTING AND REPAIR
F-22 F-22
CLASSIC® 300D & 300G
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