Miller 394F Kullanıcı El Kitabı - Sayfa 31

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8-2. Diagnostics

The following error messages are shown on the

upper and lower displays to indicate specific errors.

Explanations are in the text below:

ERR

TACH

MOTR

Indicates a

Indicates a motor

tachometer error.

error.

ERR

COOL

GND

Indicates a coolant

Indicates a ground

flow error.

current error.

ERR TACH

The tach error occurs 2 seconds after the

loss of tachometer feedback. The motor

speed is regulated through the monitoring of

voltage and current. Press Jog/Purge

button to clear error.

ERR MOTR

The motor error indicates that the motor

has been drawing too much current for too

long. To remedy this, reduce the wire feed

speed or the wire feeder torque load/duty

cycle. Press Jog/Purge button to clear error.

ERR WFS

The wire feed speed error indicates actual

wire feed speed does not match wire feed

speed command. Press Jog/Purge button

to clear error.

ERR STRT

The start error occurs if the user has the

trigger held for more than 3 seconds without

striking an arc, or if a valid arc voltage and

current is not detected. The 3 second arc

start error time can be changed using an op-

tional PDA with File Management software.

ERR

WFS

STRT

Indicates a wire

Indicates an arc

feed speed error.

start error.

ERR

STUK

TEMP

Indicates a wire

Indicates a

stuck error.

temperature error.

ERR STOP

The stop error occurs as result of

obstructions in the wire feed system or a

faulty wire drive system. Check wire feed

and wire drive systems. Press Jog/Purge

button to clear error.

ERR FLOW

The flow error indicates no gas flow to the

gun. The

error

may

reestablishing gas flow to the gun, and then

pressing the Jog/Purge button.

ERR COOL

The cool error indicates no coolant flow in

water flow switch option. The error may be

reset by reestablishing coolant flow to the

gun, and then pressing the Jog/Purge

button.

ERR GND

The ground current error occurs if weld

current is detected in the earth ground

connection. May be caused by a conductor

making contact with unit chassis. Check

and repair feeder weld connections. Press

Jog/Purge button to clear error.

ERR

STOP

Indicates an arc

stop error.

ERR

LINE

Indicates a line

error.

ERR STUK

The stuck error occurs if the welding wire

sticks to the workpiece at the end of a weld.

May be caused by poor weld conditions.

The error may be cleared by cutting wire

from workpiece, and pressing the Jog/

Purge button.

ERR TEMP

reset

The temperature error indicates welding

power

source

shutdown. The error may be cleared by

allowing unit to cool down, and pressing the

Jog/Purge button.

ERR LINE

The line error indicates input power is

outside of unit operating range. Check and

correct input power. Press Jog/Purge

button to clear error.

ERR ARC

The arc error indicates an arc outage

occurred possibly from a wire feeder error

or power source error. Check wire feeder

and power source. Press Jog/Purge button

to clear error.

ERR

FLOW

Indicates a gas

flow error.

ERR

ARC

Indicates an arc

error.

has

overheated

and

OM-222 394 Page 27