6. Troubleshooting
6-1
INTRODUCTION
Use the following troubleshooting guide to help
diagnose genset problems. The troubleshooting
section is divided into four parts:
• Control – Spec A models (page 6-4)
• Control – Begin Spec B models (page 6-16)
• Generator – All specs Page 6-28)
• Engine Primary Systems – All Specs (page
6-32)
Common problems are listed with their possible
causes. Refer to the Corrective Action column for
the appropriate test or adjustment procedure. The
section and page number in the right column lists
the location of the test or adjustment procedure in
this manual.
Refer to Figures 6-1 and 6-2 on Pages 6-2 and
6-3 to identify the component locations for the
Spec A and Spec B models.
Conditional schematics are used to highlight the cir-
cuitry that is energized during the sequence of
events. These conditional schematics are for a typi-
cal gasoline fueled genset. Always refer to the wir-
ing schematic and diagram in Section
12. Wiring
Diagram/Schematic
that corresponds to the model
and spec of the genset when troubleshooting.
Make a thorough inspection of the genset wiring to
make sure that good wire harness and ground con-
nections are made. Correct wiring problems before
performing tests or replacing any components.
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