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OM-198 683 Page 19
3-2. Voltmeter And Wire Feed Speed Meter Operation
1 Voltmeter
2 Wire Feed Speed Meter
Power Up Status
Both meters display zeros at unit
power up. After one second, preset
values appear on both meters. The
MIG gun settings (not spool gun)
are always the default at initial
power up of the unit.
Welding Status
When either a MIG gun or spool gun
trigger is pressed and a welding arc
is established, the voltmeter
displays actual weld voltage. When
the gun trigger is released and
welding arc extinguished, the
voltmeter displays the last actual
voltage for 5 seconds and then
returns to preset voltage. If welding
resumes before unit displays
preset voltage, actual welding
voltage will appear on the voltmeter.
The wire feed speed meter always
displays preset wire feed speed
(IPM).
Gun Selection
The wire feed speed meter will
display preset wire feed speed
(IPM) for the appropriate gun
selection either MIG or spool gun.
To preset desired wire feed speed,
connect desired gun, press gun
trigger for one second, and release
trigger. The meter preset will be
retained by the meter board until a
different gun is connected and
preset is performed or the unit is
turned off and back on. The MIG
gun settings (not spool gun) are
always the default at initial power up
of the unit.
Error Message
If the rectifier thermostat opens, the
voltmeter will display (H – –) and the
wire feed speed meter will display
(– – –). During this overheated
condition, the unit is inoperative and
the meters retain their display until
the rectifier returns to normal
operating temperature.
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