TROUbLESHOOTING
TROUbLESHOOTING GUIDE
Observe Safety Guidelines
detailed in the beginning of this manual.
PRObLEMS (SYMPTOMS)
Variable or "hunting" arc.
POSSIbLE AREAS OF
MISADJUSTMENT(S)
WELDING PRObLEMS
1.Check for worn or incorrect sized contact tip. Replace tip if necessary.
2.Check for worn or undersized work cables. Repair or replace if necessary.
3.Check for loose electrode connections. Be sure the following connections are tight: Electrode cable to wire feeder and power source, work cable to power source and work, gun cable to wire feeder contact block, gun nozzle to body, and contact tip to nozzle.
4.Check whether the Voltage Control Response is properly set for the power source and the process. See the topic “Voltage Control Response” in the Operation section.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas of misadjustment have been checked and the problem persists, contact your local Lincoln Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the necessary tests/repairs safely, contact your local authorized field service facility before you proceed.
