Troubleshooting, Caution, Step 1 short circuit – Lincoln Electric IM10149 POWER WAVE ADVANCED MODULE User Manual
Page 35: Ac/stt, Functional test preparation
E-2
TROUBLESHOOTING
E-2
POWER WAVE® ADVANCED MODULE
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
Observe all Safety Guidelines detailed throughout this manual
SteP 1 SHort CIrCuIt
•ConnecttheAdvancedModuletoaPowerWaveS350/S500orothercompatiblemachine.
Thistestassumesthehostpowersourcehasbeencalibrated.
•VerifythelatestsoftwareisloadedinthePowerWavemachine.
UpdatedSTTtestmode(208)
(CanbeverifiedbyconfirmingDCNegativetestmode(213)andACtestmode(219)arepresent.
•ShorttheWorktotheElectrodeontheAdvancedModule.
(TotalCableLength≤ 10ft.)
•EnabletestmodesontheUIoftheWireFeeder.
SeeWireFeederinstructionmanual(set-upmenuselectionP.99).
•Selecttestmode208(STT
®
TestMode).
•Enabletheoutput.
Pullingthetrigger,orturnthetrimknobclockwise.
note: Anaudible“buzz”fromtheAdvancedModuleisnormal.
•ReadVoltagefeedbackdisplayedontheWireFeederDisplay.
aC/Stt
®
FunCtIonaL teSt PreParatIon
Voltage
<2V
10-15VAC
>40V
Indication / Possible Cause
aC Switch Shorted:
•Faulty or disconnected Differential I/O control signal (grey cable located at rear of
module).
Verify cable connections (including those internal to the module and host power
source).
•ACSwitchShorted(typically accompanied by error 99).
Disconnect and perform aC Switch PCB test.
normal operation
aC Switch open:
•Looseoropenconnection.
Verifyweldcableconnections(both internal and external to the module – includ-
ing quick connections).
•ACSwitchnotclosing(may be accompanied by error 99).
VerifystatusoftheACSwitchboardviathe“onboard”diagnosticLED’s.
K1543-XX
S SERIES
POWER SOURCE
K1543-XX
K2230-1 PF-10M
FROM
FEEDER
S350
K1543-XX
FROM
FEEDER
S500