Kohler 7-9EFKOZD Service Manual

TP-6774 2/14a 59Section 7 Controller
Warnings
Code Description
Sensing
Mechanism
State(s)
Detected
Inhibit
Time
Delay
Time
Trip Point
Check
AC Sens
Loss
Warning
Loss of AC
voltage warning
occurs when the
controller does
not detect the
nominal generator
set AC output
voltage after
crank disconnect.
Frequency
over AC
voltage
Post starting
aid, running,
cooldown
10 sec 1sec AC voltage
is below
5% of the
trip point for
low AC
voltage
fault/
shutdown
Check for loose c onnections.
Check all AC leads connected to the
controller for continuity.
Alternator excitation failure:
Inspect the brushes
(6EKOD/5EFKOD) and check the
FN and FP connections.
Contact an authorized
distributor/dealer for service.
Battery High
Warning
High battery
voltage warning.
The fault condition
clears when the
battery voltage
returns to a
voltage within the
limits.
Analog input Auto, fault,
start delay,
ECM start,
starting aid,
cranking,
crank pause,
post starting
aid, running,
cooldown
0sec 10 sec Battery
voltage
exceeds
125% of
the nominal
system
voltage
(12 V)
Check the battery rating and
condition.
Check the battery charger
operation.
Battery Low
Warning
Low battery
voltage warning.
The fault condition
clears when the
battery voltage
returns to a
voltage within the
limits.
Analog input Auto, fault,
start delay,
ECM start,
starting aid,
cranking,
crank pause,
post starting
aid, running,
cooldown
0sec 90 sec Battery
voltage is
at or below
100% of
the nominal
system
voltage
(12 V)
Check the battery rating and
condition.
Charge or replace the battery.
Check the battery charger
operation.
Coolnt Temp
High
Warning
High coolant
temperature
warning.
Analog Post starting
aid, running,
cooldown
15 sec 5sec Coolant
temperature
at or above
105_ C
(221_ F)
Check for a low engine coolant
level.
Check seawater system for reduced
flow.
NOTE: Allow the generator set to
cool down before checking.
Low Crank
Vlt Warning
Low cranking
voltage warning.
Analog input Cranking 0sec 6sec Battery
voltage
drops
below 60%
of the
nominal
system
voltage
(12 V)
Check the battery rating and
condition.
Charge or replace the battery.
Oil Pres Low
Warning
Low engine oil
pressure warning.
Analog Post starting
aid, running,
cooldown
1sec 10 sec At or below
138 kPa
Check for leaks in the lubrication
system.
Check the oil level and add oil if the
level is low.
Figure 7-15 Advanced Digital Control IId Warnings

Kohler 7-9EFKOZD Specifications

General

Brand	Kohler
Model	7-9EFKOZD
Category	Marine Equipment
Language	English