AUTO ARC 120 Spezifikationen PDF herunterladen (Seite 37)

OM-243 712 Page 35

Problem RemedyProbable Cause

Wire feeds, but no gas flow

(GMAW).

Gas cylinder empty. Replace empty gas cylinder.

Gas nozzle plugged. Clean or replace gas nozzle.

Gas cylinder valve not open or flowmeter not adjusted. Open gas valve at cylinder and adjust flow rate.

Restriction in gas line. Check gas hose between flowmeter and wire feeder, and

gas hose in gun and cable assembly.

Loose or broken wires to gas solenoid. Have Factory Authorized Service Agent repair wiring.

Gas solenoid valve not operating. Have Factory Authorized Service Agent replace gas

solenoid valve.

Incorrect primary voltage connected to welding power

source.

Check primary voltage and relink welding power source

for correct voltage.

Welding arc not stable.

Wire slipping in drive rolls. Adjust pressure setting on wire feed rolls. Replace worn

drive rolls if necessary.

Wrong size gun liner or contact tip. Match liner and contact tip to wire size and type.

Incorrect voltage setting for selected wire feed speed on

welding power source.

Readjust welding parameters.

Loose connections at the gun weld cable or work cable. Check and tighten all connections.

Gun in poor shape or loose connection inside gun. Repair or replace gun as necessary.

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AUTO ARC 120 Spezifikationen Seite 37