Lincoln Electric PIPELINER IM769 - Manual (Page 26)

E-7 TROUBLESHOOTING E-7
PIPELINER 200D
ELECTRONIC IDLER TROUBLESHOOTING GUIDE
With Idler Control Switch in the AUTO Position,
Engine Will Not Pick Up Speed When:
The Auxiliary Power Load is Turned ON
Power Load Too Small
Try Load Above 150 Watts
Engine Does Not Pick Up Speed
Engine Picks Up Speed
1. Check Idler Circuit
Wiring and Repair as
Required.
2. Replace Current Sensor.
Engine Does Not Pick Up
Speed
1. Check Continuity of Idler
Solenoid Coil (8.5-9.0
ohms) and Replace as
Required.
2. Check for Jamming of
the Idler Solenoid
Mechanism.
3. Check Idler Circuit
Wiring and Repair as
Required.
4. Replace Idler P.C.
Board.
Current sensor may be
defective and not closed.
To Check:
Short the Lead from
current sensor to P.C. Board to the
Welder Frame.
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
The Arc is Struck
N0TE: If the engine will not idle up or down under both
weld and auxiliary load, check idler circuit wiring.
The direction of leads entering the current sensor
may be incorrect.