Installation manual
TROUBLESHOOTING
THE
ELECTRONIC
GOVERNOR
Problem
Probable
Cause
VerificaiionJRemedy
System
appears
dead
1.
Low
battery
voltage
at
controller.
1.
Check
wiring
for
cause.
Check
battery
state
of
charge.
{Engine
runs
at
idle.}
2.
Stuck
linkage.
2.
Lubricate,
free
up
linkage
between
controller
and
throttle
arm.
3.
No
signal
or
weak
signal
from
sensor.
3.
Check
for
improperly
installed
or
damaged
sensor
in
flywheel
(Measure
AC
voltage
from
sensor
while
housing.
Replace
or
adjust
engine
is
running
at
idle.
Voltage
should
be
2.5
volts
or
greater.
4.
Check
Actuator
-
depress
PREHEAT
and
check
for
battery
voltage
between
negative
black
lead
at
terminal
block.
a.
Purple
lead
to
black.
4.
Replace
controller
if
battery
voltage
is
not
present
at
both
leads.
b.
Second
purple
to
black.
5.
Perform
the
following
check
between
terminals
at
the
actuator
and
the
negative
DC
lead
at
the
controller
terminal
block,
(Preheat
depressed).
a.
Low
voltage
(1.20-2.0
VDC)
at
either
a.
Broken
actuator
lead.
actuator
connection.
h.
Battery
voltage
at
both
actuator
b.
Broken
actuator
lead.
connections.
c.
Battery
voltage
at
one
actuator
lead
c.
Replace
the
actuator.
but
not
the
other.
Actuator
fully
extends
when
PREHEAT
1.
Check
controller.
Lift
one
of
the
purple
is
depressed
and
stays
extended,
actuator
leads
from
the
terminal
block.
Depress
PREHEAT
a.
Actuator
fully
extends.
a.
Short
in
lead
to
actuator.
h.
Actuator
does
not
fully
extend
and
b.
Replace
controller.
connections.
NOTE:
Release
PREHEAT
and
reconnect
the
purple
lead.
Actuator
hunts
(oscillates)
and
1.
Linkage
between
actuator
and
throttle
1.
Lubricatelfree-up.
engine
running.
binding.
2.
Improper
adjustment
of
GAIN
on
2.
Lessen
GAIN
adjustment
(Recalibrate
the
ControHer).
controller.
3.
Inadequate
DC
power
supply
to
controller,
complete
the
following
tests:
Connect
a
DC
voltmeter
across
the
plus
and
negative
leads
at
the
controller
terminal
block.
Lift
both
purple
leads
from
the
terminal
block.
Connect
one
purple
lead
to
the
C
plus
terminal
and
the
other
to
the
DC
negative.
Momentarily
depress
PREHEAT.
The
actuator
should
fully
extend.
3.
It
actuator
does
not
fully
extend.
check
the
actuator
leads.
If
the
voltage
is
less
than
specified,
check
for
loose
or
poor
connections,
low
battery
voltage,
voltage
drop
in
DC
circuit
due
to
remote
panel
installation
and
small
wire
sizes
making
connections.
DC
voltage
registering
on
the
meter
should
be:
12
VDC
System
-
9.6
VDC
or
higher
24
VDC
System
- t
9.2
VDC
or
higher
NOTE:
Reconnect
actuator
leads
properly
after
making
this
test.
3a.
Sensor
positioned
marginally
too
tar
33.
Check
the
position
of
the
sensor,
away
from
flywheel
teeth
giving
erratic
signal
voltage
to
controller.
~
WESTERBEKE
Engines
& Generators
27