Lincoln Electric FlexCut 200 Service Manual page 16

LINCOLN ELECTRIC
Peak current through the
transformer primary has
exceeded threshold (140
amps).
Machine has overheated and
must be allowed to cool before
continuing.
Switch board failed to turn on.
Plasma gas is not connected to
the rear of the machine or the
plasma pressure regulator is
turned down too far.
Shield gas is not connected to
the rear of the machine or the
shield pressure regulator is
turned down too far.
FlexCut® 200 Service Manual
Verify connections to the
switch board, transformer and
output rectifier assemblies are
made correctly and there are
no damaged components in the
machine.
Replace shorted output
rectifier diode.
Replace defective power
transformer (T1).
Replace defective switch board
assembly.
Check that the fan is spinning
freely and that the rear
brickwork and side/front
louvers are not obstructed. If
thermal faults continue, blow
dust out from the rear of the
machine.
Mapping error. Cycle power to
attempt to clear error.
Switch board has a fatal error.
Read error code at on-board
status LED and decode error.
Replace defective switch board
assembly.
Check that the plasma gas
supply is connected to the rear
of the power source. Increase
the plasma pressure on the
front of the machine to match
the cut charts for material and
cutting current.
Check that the shield gas
supply is connected to the rear
of the power source. Increase
the shield pressure on the front
of the machine to match the
cut charts for material and
cutting current.
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