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E-4
1. Reed switch in weld circuit may be stuck
closed.
2. Check continuity of idler solenoid coil
(8.5 - 9.0 ohms) & leads.
3. Check ground connections in idle circuit.
4. Replace P.C. Board
Reed Switch In Weld Circuit
To Check: Short The Red Lead
On P.C. Board To Welder Frame
Engine Picks Up Speed
1. Check for break in Red
lead and repair.
2. Replace reed switch in
weld circuit.
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TROUBLESHOOTING
ELECTRONIC IDLER TROUBLESHOOTING GUIDE
Continuity Good
Engine Will Not Pick Up Speed When:
The Arc Is Struck
Defective - Will Not Close
Engine Does Not Pick
Up Speed
Replace PC Board
CLASSIC II DEUTZ
Engine Will Not Return To Idle
In Approximately 15 Seconds
Set Idler Control Switch To The
Auto Position
Remove All Weld and Auxiliary
Power Loads
Check Continuity of Idler Control
Switch
The Auxiliary Power Load Is Turned On
Power Load Too Small
Try Load Above 150 Watts
Engine Does Not Pick Up Speed
Check Connections And Continuity
Of Current Transformer
Replace P.C. Board
E-4
Open
Replace Switch
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