Troubleshooting Guide - Lincoln Electric PIPELINER 200G Operator's Manual

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ELECTRONIC IDLER CONTROL TROUBLESHOOTING GUIDE
With Idler Control Switch in the AUTO Position,Engine Will Not Pick Up Speed When:
The Arc is Struck
Check for loose or disconnected
wire running between weld
selector switch and output stud.
Remove Molex connector
from current sensing board.
Operation Same
Check wiring between TBI controller and current sensing board.
Have TBI controller inspected at authorized service shop.
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.
TROUBLESHOOTING
1. Check Idler circuit wiring. Possible
problems are wires from Current
Sensing Board reversed at idler
switch or wires connected incorrectly
at Current Sensor Molex plug.
2. Replace current Sensing Board.
Engine Will Not Return to Low
Idle in Approximately 10 Seconds
After Welding and Auxiliary Loads are Removed
Set Idler Control Switch
to the Auto Position
Check for Continuity through Idler
Control Switch
Open
PIPELINER 200G
Both
1. Check for current in wires looping through
current sensor.
2. Replace current sensor.
CAUTION
Auxiliary Load
1. Load too small. Try load
above 150 Watts.
2. Check for loose or
disconnected wire running
from black lead out of exciter
to CB2 circuit breaker.
Closed
Replace Idler
Control Switch.
Machine Idlers
Not O.K.
Correct wiring
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