.A complete Parts List is available at www.MillerWelds.com
OM-1327 Page 39
5-9. Motor Calibration Function
Perform this function after replacing wire
drive motor and/or control circuit board.
The motor calibration function
automatically calibrates the wire drive
motor to enhance arc starting performance
and consistency.
.To obtain the most accurate
calibration, set up welding power
source i n MIG welding mode.
Turn on unit input power.
1 Setup Button
2 Left Knob
3 Left Display
4 Right Knob
5 Right Display
6 Arc Control Button
Open drive rolls in welding power source
and in push/pull gun if one is attached to
unit.
Simultaneously press Setup and Arc
Control buttons.
Rotate left knob until MCAL is displayed.
Rotate right knob until YES is displayed.
Press and hold gun trigger. Wire drive
speed will be overridden to 50 IPM for 12
seconds and then to 800 IPM for 12
seconds.
When CAL DONE appears on the display,
release gun trigger.
Data save will appear on the display while
the calibration data is being stored in the
Control board memory.
Close drive rolls in welding p ower source a nd
push/pull gun.
This co mpletes the m otor calib ration f un ction,
and normal operation can resume.
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Ref. 213 935-A
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