Westerbeke 20B TWO/30B THREE User Manual

ENGINE TROUBLESHOOTING
Introduction
The tables which follow indicate troubleshooting procedures based upon certain problem indicators, the
probable
causes of the problems, and the recommendations to overcome these problems.
Note
that the engine's control system (electrical system) is protected by a 2O-Ampere manual reset circuit
breaker located on the rear lifting bracket
problem
Key switch ON
but no panel or
test function.
PREHEAT switch is de-
pressed: no preheat
solenoid activation:
no electric
fuel pump or
alternator excitation.
probable Calise
1. Battery OFF.
2. 20 Amp circuit
breaker is
tripped.
3. Loose battery
cable connection
1. Faulty solenoid,
connections or switch.
2. Faulty connection or
tripped 10 Amp breaker
on the I terminal on the
preheat solenoid.
~ WESTERBEKE
Engines & Generators
46
yerificatjonffiemedy
1. Tum Battery ON.
2. Reset the breaker
by pushing
in the button.
3. Check the + connection
to the starter
and the -
connection to the
ground
stud on the bell housing.
1. Connection for 12 volts at
.
S terminal of the solenoid is.
faulty.
1. Check the preheat switch.
2. Check for 12 volts at the
10 Amp breaker. Check
for 12 volts at the R terminal
on the alternator when the
the preheat button is pushed.

Westerbeke 20B TWO/30B THREE Specifications

General

Brand	Westerbeke
Model	20B TWO/30B THREE
Category	Engine
Language	English