Lincoln Electric CLASSIC 300G 10659 - Manual (Page 22)

E-4 TROUBLESHOOTING
CLASSIC 300G
E-4
ELECTRONIC IDLER CONTROL TROUBLESHOOTING GUIDE
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 Closed
Remove Molex connector Replace Idler
from current sensing board. Control Switch.
Operation Same Machine Idlers
Check wiring between TBI controller and current sensing board. 1. Check for current in wires looping through
current sensor.
2. Replace current sensor.
Have TBI controller inspected at authorized service shop. Not O.K.
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