9. motor calibration function – Miller Electric MILLERMATIC 350P User Manual

Page 43

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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 in 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 power source and

push/pull gun.
This completes the motor calibration function,

and normal operation can resume.

5

Ref. 213 935-A

4

2

1

3

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