Electronic idler troubleshooting guide, Troubleshooting, Caution – Lincoln Electric IM769 PIPELINER 200D User Manual
Page 25
E-6
TROUBLESHOOTING
E-6
PIPELINER 200D
ELECTRONIC IDLER TROUBLESHOOTING GUIDE
With Idler Control Switch in the Auto Position,
Engine Will Not Return to Low Idle in Approximately 15 Seconds
After Welding and Auxiliary Loads are Removed
Set Idler Control Switch
to the Auto Position
Check for Continuity through Idler
Control Switch
Open
Closed
Measure DC Voltage on
Replace Idler
Idler Solenoid Coil
Control Switch
12 VDC
0 VDC
Check Continuity of
Check for Jamming
Current sensor from Idler
of the Idler Solenoid
PC Board Terminal
Mechanism or a broken
to Ground Terminal
Return Spring
Open
Closed
1. Check Wiring in
Replace Current
Idler Solenoid
Sensor
Circuit
2. Replace Idler
P.C. Board
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