Motor Calibration Function Prior To Serial No. Lh170741B - Miller Millermatic 350P Technical Manual

6-9. Motor Calibration Function Prior To Serial No. LH170741B

1
Perform this function after replacing wire
drive motor and/or control circuit board.
The motor calibration
automatically calibrates the wire drive
motor to enhance arc starting performance
and consistency.
.
To obtain the most
calibration, set up welding power
source in MIG welding mode.
Turn on unit input power.
1 Setup Button
2 Left Knob
3 Left Display
Millermatic 350
3
2
4 Right Knob
5 Right Display
function
6 Arc Control Button
Press Setup button twice and select MIG
welding mode by rotating right knob.
Press Setup button as many times as
accurate
necessary (2 or more) to exit setup mode.
Adjust preset wire feed speed to 50 IPM by
rotating right knob or by using the wire feed
adjustment on the welding gun.
Press and hold gun trigger, after 3 seconds
welding power source will display JOG.
Adjust JOG speed to 50 IPM by turning
5
4
right knob while continuing to hold gun
trigger.
Release gun trigger.
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. When JOG is
displayed, right display should show 50,
continue to hold
approximately 10 seconds.
Turn off unit input power. Wait 5 seconds,
then turn on unit input power. This
completes the motor calibration function.
6
Ref. 213 935-A
gun trigger for
TM-1327 Page 35