Miller 394F Manuel du propriétaire - Page 22

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6-3. Jog/Purge

The Jog/Purge switch provides the following

functions:

Pressing left side of the Jog/Purge switch

allows the operator to feed wire without

energizing the weld power or gas valve

circuit. The wire will feed at a 60 ipm rate for

3 seconds, then the rate ramps up to 700

ipm until the Jog switch is released.

The unit also provides the ability to jog the

wire feeder by means of the gun trigger.

When the gun trigger is pressed without

starting an arc, the wire will feed at run-in

speed for the first 3 seconds. During this

time OCV (open circuit voltage) will be pres-

OM-222 394 Page 18

ent as indicated on feeder upper display. Af-

ter 3 seconds the weld output turns off and

the wire will feed at 60 ipm for the next 3 sec-

onds and then ramps up to 700 ipm until trig-

ger is released or 30 seconds elapses. If the

gun trigger is still activated after 30

seconds, the jog operation is terminated to

prevent complete unspooling of the wire and

an "ERR STRT" message is displayed on

the upper and lower displays. Releasing

and pressing the trigger again will clear the

error.

If Start Error is enabled using an optional

PDA with File Management/WaveWriter

software, an "ERR STRT" will occur after

Jog/Purge Push Button

Gun Trigger Receptacle

Adjust Knob

the first 3 seconds of run in and jogging

from the trigger is not possible.

Pressing right side of the Jog/Purge switch

allows the operator to purge gas lines before

welding and to preset gas pressure at the

regulator.

This unit is equipped with Auto Thread

capability. By rocking the switch from purge

to jog within 0.5 seconds will automatically

feed wire for a factory default setting of 192

in (4877 mm) of wire before stopping. The

default feed rate is 700 ipm. These settings

can be changed using an optional PDA with

File Management/WaveWriter software.

804 022-A