Cummins onan dggd generator set with power command 1301 controller service repair manual

Service Manual
Generator Set
DGGD (Spec B−E)
DGHD (Spec B−E)
DGHE (Spec B−E)
with PowerCommand 1301 Controller
English − Original Instructions 10−2010 961−0509 (Issue 3)

i
Table of Contents
SECTION TITLE PAGE
IMPORTANT SAFETY INSTRUCTIONS iii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 INTRODUCTION
About this Manual 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Generator Set 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Equipment 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Obtain Service 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 CONTROL OPERATION
General 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Panel Power On/Off Modes 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Panel 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Messages 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting Auto, Manual Run and OFF Modes 2-7. . . . . . . . . . . . . . . . . . . . . . .
Operator Menus 2-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Menus 2-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
History/About Menu 2-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Screen Adjust Menu 2-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault History Menu 2-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 CIRCUIT BOARD
General 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Base Board 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 TROUBLESHOOTING
General 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
InPower Service Tool 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Applications and Customer Inputs 4-1. . . . . . . . . . . . . . . . . . . . . . . . .
Safety Consideration 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reading Fault Codes 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Procedure 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ii
SECTION TITLE PAGE
5 CONTROL ADJUSTMENT AND SERVICE
General 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Board Removal/Replacement 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup Menu 5-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Genset Service Menus 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Genset Service Submenus 5-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Voltage Regulator Submenus 5-12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Governor Submenus 5-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer I/O Submenus 5-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Metering Submenus 5-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Annunciator Submenus 5-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Genset Setup Submenus 5-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Genset Submenus 5-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Protection Submenus 5-36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current Protection Submenus 5-38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Protection Submenus 5-40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TB1 Base Board Customer Connections 5-46. . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Sensors 5-47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magnetic Speed Pickup Unit (MPU) Installation 5-48. . . . . . . . . . . . . . . . . . . . .
Current Transformer (CT) Installation 5-49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 SERVICING THE GENERATOR
General 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Generator/Base Board Isolation Procedure 6-2. . . . . . . . . . . . . . . . . . . . . . . . .
Generator Disassembly 6-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Generator Reassembly 6-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 GOVERNOR
Electric Governor Throttle Lever/Linkage Adjustment 7-1. . . . . . . . . . . . . . . . .
Mechanical Governor Throttle Lever/Linkage Adjustment 7-2. . . . . . . . . . . . .
8 WIRING DIAGRAMS
General 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A MENU SEQUENCE DIAGRAMS
General A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LS-15L
iii
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS − This manual contains
important instructions that should be followed during
installation and maintenance of the generator and batter-
ies.
Before operating the generator set (genset), read the
Operator’s Manual and become familiar with it and the
equipment. Safe and efficient operation can be
achieved only if the equipment is properly operated
and maintained. Many accidents are caused by failure
to follow fundamental rules and precautions.
The following symbols, found throughout this manual,
alert you to potentially dangerous conditions to the op-
erator, service personnel, or the equipment.
This symbol warns of immediate
hazards which will result in severe personal in-
jury or death.
WARNING This symbol refers to a hazard or un-
safe practice which can result in severe per-
sonal injury or death.
CAUTION This symbol refers to a hazard or un-
safe practice which can result in personal injury
or product or property damage.
FUEL AND FUMES ARE FLAMMABLE
Fire, explosion, and personal injury or death can result
from improper practices.
 DO NOT fill fuel tanks while engine is running, un-
less tanks are outside the engine compartment.
Fuel contact with hot engine or exhaust is a potential
fire hazard.
 DO NOT permit any flame, cigarette, pilot light,
spark, arcing equipment, or other ignition source
near the generator set or fuel tank.
 Fuel lines must be adequately secured and free of
leaks. Fuel connection at the engine should be
made with an approved flexible line. Do not use zinc
coated or copper fuel lines with diesel fuel.
 Be sure all fuel supplies have a positive shutoff
valve.
 Be sure battery area has been well-ventilated prior
to servicing near it. Lead-acid batteries emit a highly
explosive hydrogen gas that can be ignited by arc-
ing, sparking, smoking, etc.
EXHAUST GASES ARE DEADLY
 Provide an adequate exhaust system to properly
expel discharged gases away from enclosed or
sheltered areas and areas where individuals are
likely to congregate. Visually and audibly inspect
the exhaust daily for leaks per the maintenance
schedule. Make sure that exhaust manifolds are se-
cured and not warped. Do not use exhaust gases to
heat a compartment.
 Be sure the unit is well ventilated.
 Engine exhaust and some of its constituents are
known to the state of California to cause cancer,
birth defects, and other reproductive harm.
MOVING PARTS CAN CAUSE SEVERE
PERSONAL INJURY OR DEATH
 Keep your hands, clothing, and jewelry away from
moving parts.
 Before starting work on the generator set, discon-
nect battery charger from its AC source, then dis-
connect starting batteries, negative (−) cable first.
This will prevent accidental starting.
 Make sure that fasteners on the generator set are
secure. Tighten supports and clamps, keep guards
in position over fans, drive belts, etc.
 Do not wear loose clothing or jewelry in the vicinity of
moving parts, or while working on electrical equip-
ment. Loose clothing and jewelry can become
caught in moving parts.
 If adjustment must be made while the unit is run-
ning, use extreme caution around hot manifolds,
moving parts, etc.
DO NOT OPERATE IN FLAMMABLE AND
EXPLOSIVE ENVIRONMENTS
Flammable vapor can cause an engine to overspeed and
become difficult to stop, resulting in possible fire, explo-
sion, severe personal injury and death. Do not operate a
genset where a flammable vapor environment can be
created by fuel spill, leak, etc., unless the genset is
equipped with an automatic safety device to block the air
intake and stop the engine. The owners and operators of
the genset are solely responsible for operating the gen-
set safely. Contact your authorized Cummins Power
Generation distributor for more information.

iv
ELECTRICAL SHOCK CAN CAUSE
SEVERE PERSONAL INJURY OR DEATH
 Remove electric power before removing protective
shields or touching electrical equipment. Use rub-
ber insulative mats placed on dry wood platforms
over floors that are metal or concrete when around
electrical equipment. Do not wear damp clothing
(particularly wet shoes) or allow skin surface to be
damp when handling electrical equipment. Do not
wear jewelry. Jewelry can short out electrical con-
tacts and cause shock or burning.
 Use extreme caution when working on electrical
components. High voltages can cause injury or
death. DO NOT tamper with interlocks.
 Follow all applicable state and local electrical
codes. Have all electrical installations performed by
a qualified licensed electrician. Tag and lock open
switches to avoid accidental closure.
 DO NOT CONNECT GENERATOR SET DI-
RECTLY TO ANY BUILDING ELECTRICAL SYS-
TEM. Hazardous voltages can flow from the gen-
erator set into the utility line. This creates a potential
for electrocution or property damage. Connect only
through an approved isolation switch or an ap-
proved paralleling device.
GENERAL SAFETY PRECAUTIONS
 Coolants under pressure have a higher boiling point
than water. DO NOT open a radiator or heat ex-
changer pressure cap while the engine is running.
To prevent severe scalding, let engine cool down
before removing coolant pressure cap. Turn cap
slowly, and do not open it fully until the pressure has
been relieved.
 Used engine oils have been identified by some state
or federal agencies as causing cancer or reproduc-
tive toxicity. When checking or changing engine oil,
take care not to ingest, breathe the fumes, or con-
tact used oil.
 Keep multi-class ABC fire extinguishers handy.
Class A fires involve ordinary combustible materials
such as wood and cloth; Class B fires, combustible
and flammable liquid fuels and gaseous fuels; Class
C fires, live electrical equipment. (ref. NFPA No. 10).
 Make sure that rags are not left on or near the gener-
ator set.
 Make sure generator set is mounted in a manner to
prevent combustible materials from accumulating
under or near the unit.
 Remove all unnecessary grease and oil from the
unit. Accumulated grease and oil can cause over-
heating and engine damage which present a poten-
tial fire hazard.
 Keep the generator set and the surrounding area
clean and free from obstructions. Remove any de-
bris from the set and keep the floor clean and dry.
 Do not work on this equipment when mentally or
physically fatigued, or after consuming any alcohol
or drug that makes the operation of equipment un-
safe.
 Substances in exhaust gases have been identified
by some state or federal agencies as causing can-
cer or reproductive toxicity. Take care not to breath
or ingest or come into contact with exhaust gases.
 Do not store any flammable liquids, such as fuel,
cleaners, oil, etc., near the generator set. A fire or
explosion could result.
 Wear hearing protection when going near an oper-
ating generator set.
 To prevent serious burns, avoid contact with hot
metal parts such as radiator system, turbo charger
system and exhaust system.
KEEP THIS MANUAL NEAR THE GENSET FOR EASY REFERENCE

1-1
1. Introduction
ABOUT THIS MANUAL
This manual provides troubleshooting and repair
information regarding the PowerCommand 1301
Control (PCC) and generators for the generator
sets (gensets) listed on the front cover. Engine
service instructions are in the applicable engine
service manual. Operating and maintenance
instructions are in the applicable Operator’s
Manual.
This manual does not have instructions for
servicing printed circuit board assemblies. After
determining that a printed circuit board assembly is
faulty, replace it, do not repair it. Attempts to repair a
printed circuit board can lead to costly damage to
the equipment.
This manual contains basic (generic) wiring
diagrams and schematics that are included to help
in troubleshooting. Service personnel must use the
actual wiring diagram and schematic shipped with
each unit. The wiring diagrams and schematics that
are maintained with the unit should be updated
when modifications are made to the unit.
Read Important Safety Instructions and carefully
observe all instructions and precautions in this
manual.
SYSTEM OVERVIEW
The PCC is a microprocessor-based control for
Cummins Power Generation generator sets. All
generator set control functions are contained on
one circuit board (Base board). The Base board
provides fuel control, main alternator voltage output
regulation and complete generator set control and
monitoring.
The operating software provides control of the gen-
erator set and its performance characteristics, and
displays performance information on a digital dis-
play panel. It accepts menu-driven control and set-
up input from the push button switches on the front
panel.
TEST EQUIPMENT
To perform the test procedures in this manual, the
following test equipment must be available
 True RMS meter for accurate measurement of
small AC and DC voltages. Fluke models 87 or
8060A are good choices.
 Grounding wrist strap to prevent circuit board
damage due to electrostatic discharge (ESD).
 Battery Hydrometer.
 Jumper Leads.
 Tachometer or Frequency Meter.
 Wheatstone Bridge or Digital Ohmmeter.
 Variac.
 Load Test Panel.
 Megger or Insulation Resistance Meter.
 InPower Service Tool (PC based genset ser-
vice tool).
 PCC1301 Interface Kit (Used with InPower
Service Tool)
HOW TO OBTAIN SERVICE
Always give the complete Model, Specification and
Serial number of the generator set as shown on the
nameplate when seeking additional service
information or replacement parts. The nameplate is
located on the back of the control box.
WARNING Incorrect service or replacement of
parts can result in severe personal injury or
death, and/or equipment damage. Service per-
sonnel must be trained and experienced to per-
form electrical and mechanical service. Read
and follow Important Safety Instructions on
pages iii and iv.

2-1
2. Control Operation
GENERAL
The following describes the function and operation
of the PowerCommand 1301 Control. All indica-
tors, control buttons and graphical display are lo-
cated on the face of the control panel as illustrated
in Figure 2-2.
CONTROL PANEL POWER ON/OFF
MODES
The power on/off modes of the control panel and op-
erating software are Power On and Sleep.
Power On Mode: In this mode, power is continu-
ously supplied to the control panel. The control’s
operating software and control panel LEDs/graphi-
cal display will remain active until the Sleep mode is
activated.
Sleep Mode: In the Sleep mode, the control’s oper-
ating software is inactive and the LEDs and the
graphical display on the control panel are all off.
Sleep mode is a feature used to reduce battery
power consumption when the control is not being
used and is in either the Off or Auto mode.
When all conditions are met (i.e., no unacknowl-
edged faults and the control is in the Off or Auto
mode) the Sleep mode is activated after five min-
utes of keypad inactivity.
To activate the control and view the menu display
without starting the generator set, press any control
button.
When shipped from the factory, Sleep mode is en-
abled for both modes (Off and Auto mode). Internal
adjustment of the control also allows the Sleep
mode to be active only during the Off mode (Base
board switch S1) or disabled for both modes (instal-
lation of jumper). When disabled, the operating soft-
ware will always remain active (Power On mode).
S1 switch setting:
OFF = Sleep mode is enabled for Auto and Off
modes.
ON = Sleep mode is enabled for Off mode only.
J1/J2 jumper installation: Install jumper between
J1-4 and J1-5 to disable sleep mode. (J1 and J2 are
identical, either one can be used for jumper.)
BASE BOARD
J1
J2
J1-5
J1-4 ADD JUMPER TO DISABLE
SLEEP MODE FOR AUTO
AND OFF MODE
S1 SLEEP
MODE
SELECTION
SWITCH
FIGURE 2-1. SLEEP MODE ACTIVATION SETTINGS

2-2
PREVIOUS MENU
LEVEL BUTTON
GRAPHICAL
DISPLAY
OFF MODE
BUTTON
DISPLAY MENU
SELECTION BUTTONS
LED
INDICATORS
FIGURE 2-2. FRONT PANEL (WITH DISPLAY)
CONTROL PANEL
Figure 2-2 shows the features of the front panel. It
includes six LED indicators, the graphical display,
and six buttons used to navigate through the menus
and adjust parameters.
Graphical Display
This graphical display is used to view menus of the
menu-driven operating system. The bottom of the
graphical display indicates the functions that are
available by pressing the four selection buttons. Re-
fer to the menu trees later in this section.
System messages (communication, event, and
fault) are also shown on the graphical display. For
more information, see System Messages later this
section.
Display Text / Symbolic Versions
This graphical display can be set up to show either
text or symbolic versions for fault messages, some
Operator menus, and the Mode Change menu. A
description of commonly used symbols used are in-
cluded in Table 2-1. Combinations of symbols are
used to display some fault conditions. Additional
specialized symbols are also used for some faults
(see Section 4).
When shipped from the factory, symbolic display is
selected. (Refer to Setup menu in Section 5 to
change to text or symbolic display.)
TABLE 2-1. SYMBOLS
SYMBOL DESCRIPTION
Generator Warning Fault
Generator Shutdown Fault
Coolant Temperature
Oil Pressure
Voltage Alternating Current (VAC)
Voltage Direct Current (VDC)
AC Current
Hz Frequency
Battery
Out of Range
High or Pre-High
Low or Pre-Low
Annunciator

2-3
Display Menu Selection Buttons
Four momentary soft-key buttons are used to step
through the various menus and to adjust parame-
ters. These selection buttons are “active” when a
word or symbol in the graphical display is shown
above the button. Some submenus do not include
any active buttons.
The function of the four selection buttons varies with
each menu.
 When the symbol is displayed, the
selection button can be used to switch to
Auto mode.
 When the symbol is displayed, the selec-
tion button can be used to switch to Manual
Run mode.
 When the up and down triangles ( and )
are displayed, the selection buttons are used
to navigate between a series of submenus.
NOTE: When any Operator menu (Figure 2-12
is displayed, a series of Service menus
can be viewed by simultaneously
pressing the and selection but-
tons for two seconds.
NOTE: When a fault is displayed, it can be
cleared from the front panel by press-
ing the or button.
 When a symbol is displayed, the selection
button can be used to abort the Auto or
Manual Run mode and return to the Operator
menu that was displayed before the Auto or
Manual Run mode was selected.
 When ADJUST is displayed, the selection
button is used to display an adjustable menu.
When the ADJUST button is pressed, the
first adjustable parameter or value in the sub-
menu is highlighted.
 When the symbol is displayed, the selec-
tion button is used to navigate to an editable
field within a menu.
 When the + and − symbols are displayed, the
selection buttons are used to increase or de-
crease a parameter or value shown on the
screen.
When changing values, pressing the button be-
low the + symbol increase the value and press-
ing the button below the − symbol decreases
the value.
 When SAVE is displayed, the selection but-
ton is used to save changes made in a sub-
menu. If the Previous Menu button is
pressed before pressing SAVE, the
changes are not saved.
 Some menus include a list of numbered sub-
jects. These menus include numbers in pa-
renthesis (for example, (1)) displayed above
the selection buttons. The selection buttons
are then used to display submenus of the
subjects included in the list.
 When a black box is displayed, the
selection button has no function.

2-4
Previous Main Menu Button
Press the button to view the previous main
menu.
NOTE: In the Screen Adjust menu, settings are not
saved when the button is pressed.
The button is also used to acknowledge warn-
ing and shutdown messages after the fault has
been corrected. Pressing this button clears the fault
from the front panel display and the previous menu
is redisplayed.
NOTE: Pressing the or button also clears the
fault from the front panel display.
PREVIOUS MAIN
MENU BUTTON
OFF
BUTTON
FIGURE 2-3. PREVIOUS MAIN MENU AND OFF
BUTTONS
Off Button
Press the button to switch to the Off mode. The
Off mode will disable the control Auto or Manual
modes.
If the button is pressed during generator set op-
eration (manual or remote start), the engine will im-
mediately shut down. If possible, hot shutdown un-
der load should be avoided to help prolong the reli-
ability of the generator set.
The button is also used to acknowledge warn-
ing and shutdown messages after the fault has
been corrected. Pressing this button clears the fault
from the front panel and resets the control.
Not in Auto Indicator
This red lamp is lit when the control is not in the Auto
mode.
Shutdown Status Indicator
This red lamp is lit when the control detects a Shut-
down condition. The generator set cannot be
started when this lamp is on. After the condition is
corrected, the lamp can be reset by pressing the
(off) button.
Warning Indicator
This yellow lamp is lit whenever the control detects
a warning condition. This lamp is automatically shut
off when the warning condition no longer exists.
Remote Start Indicator
This green lamp indicates the control is receiving a
remote run signal.
Auto Indicator
This green lamp indicates the control is in Auto
mode. Auto mode can be selected by pressing the
selection button from any of the Operator me-
nus (see Figure 2-12).
Manual Run Indicator
This green lamp indicates the control is in the Manu-
al Run mode. Manual Run mode can be selected by
pressing the selection button from any of the Op-
erator menus (see Figure 2-12).

2-5
SYSTEM MESSAGES
A system pop-up message is displayed when the
event it is displaying becomes active. These pop-up
messages remain displayed until pre-empted by
another pop-up message or until the or the
display button is pressed. Once the or the
button is pressed, the previous screen is redis-
played.
Communication Messages
System messages are displayed for initial power-up
or when there is a subsequent loss of communica-
tions. Note that the Auto and Manual Run modes
can be selected when communication messages
are displayed.
Upon initial power-up, the message “Establishing
communication with control” is displayed (see Fig-
ure 2-4). This menu also displays the screen’s soft-
ware number and version.
When the display detects that it is no longer com-
municating with the control, the Shutdown, Warn-
ing, and Remote Start LEDs are turned off.
If communications are lost, the message “Re-es-
tablishing communication with control” is displayed
until communications have been re-established
(see Figure 2-5). The LEDs then return to the state
determined by the control.
If either communication message remains displayed
(cannot view other menus), this indicates that com-
munications between the control panel and the con-
trol logic is lost.
FIGURE 2-4. ESTABLISHING COMMUNICATION WITH
CONTROL
FIGURE 2-5. RE-ESTABLISHING COMMUNICATION WITH
CONTROL

2-6
Event Messages
When pre-set events (time delay to start or stop) are
activated, Event messages are displayed showing
the time remaining until the event occurs (see Fig-
ure 2-6).
Fault Messages
A Fault message is an indicator of a Warning or
Shutdown condition. It includes the fault number, a
short description, and when the fault occurred (see
Figure 2-7). Symbolic fault messages include the
fault code number and symbols, indicating the type
of fault (see Figure 2-8). With the symbolic versions
of fault messages, the and symbols flash.
Section 4 provides a list of fault codes, fault types,
messages displayed, and descriptions of the faults.
Five of the most recent faults are placed in a fault
history file that can be viewed using the Fault Histo-
ry Menus (see Figure 2-18).
Fault Acknowledgement
Shutdown faults must be acknowledged after the
faults have been corrected. If in Auto or Manual Run
mode, the control must be set to “O” (off). Also,
faults are acknowledged when in Auto and the Re-
mote Start command is removed. Faults are
cleared from the control panel display by pressing
the , , or button.
Faults are re-announced if they are detected again
after being acknowledged.
Event = TIME DELAY
TO START, or STOP
FIGURE 2-6. EVENT MESSAGE
Fault = WARNING
or SHUTDOWN
FIGURE 2-7. FAULT MESSAGE
1
214
EXAMPLE OF
A SYMBOLIC
WARNING
FAULT
EXAMPLE OF
A SYMBOLIC
SHUTDOWN
FAULT
FIGURE 2-8. FAULT MESSAGES − SYMBOLIC VERSION

2-7
SELECTING AUTO, MANUAL RUN AND
OFF MODES
Auto, Manual Run, and Off modes can be selected:
 From any of the Operator menus
 When the message “Establishing commu-
nication with control” is displayed
 When the message “Re-establishing commu-
nication with control” is displayed
Switching to Auto, Manual Run, or Off mode can be
restricted to authorized personnel. If a control panel
is set up with the mode change access code feature
enabled, an access code must first be entered be-
fore the mode can be changed.
The InPower service tool or access to the Genset
Service submenu is required to enable/disable the
mode change “Access Code” feature. Refer to Sec-
tion 5.
Entering the Mode Change Access Code
If the mode change access code feature is enabled,
an access code must be entered to switch to Auto,
Manual Run, or Off mode. The text and symbolic
versions of the Mode Change menu are shown in
Figure 2-9.
To enter the mode change access code,
1. With the first character highlighted, press the
button below to the + or − symbols until the val-
ue reads “1.”
2. Press the arrow selection button to move
to the next numeric character.
3. Press the button below the + or − symbols until
the value reads “2.”
4. Press the arrow selection button to move
to the next numeric character.
5. Press the button below the + or − symbols until
the value reads “1.”
6. After you have completed entering the pass-
word, press the arrow selection button .
NOTE:If an incorrect password is entered, the Op-
erator menu that was displayed before
Auto, Manual Run, or Off mode was se-
lected is redisplayed.
TEXT VERSION
SYMBOLIC VERSION
FIGURE 2-9. MODE CHANGE MENU

2-8
Selecting Auto Mode
To switch to Auto mode (see Figure 2-10):
1. Press the button on any of the Operator
menus or the “Establishing/Re-establishing
communication with control” menus.
2. If the mode change access code feature is en-
abled, the Mode Change Access Code menu
is displayed. Enter the mode change access
code as described above.
3. A menu with alternating arrows is displayed
above a second symbol. Press the sec-
ond button. The Operator menu that was
displayed before Auto mode was selected is re-
displayed and the Auto indicator is lit.
4. To disable auto mode, press the button.
NOTE:Manual Run mode can also be selected
while in Auto mode.
ALTERNATING
ARROWS ARE
DISPLAYED
AUTO MODE
SELECTED
THIS MENU IS
DISPLAYED ONLY IF
THE MODE CHANGE
ACCESS CODE
FEATURE IS ENABLED
FIGURE 2-10. SELECTING AUTO MODE

2-9
Selecting Manual Run Mode
To switch to Manual Run mode (see Figure 2-11):
1. Press the button on any of the Operator me-
nus or if displayed, the “Establishing/Re-estab-
lishing communication with control” menus.
2. If the mode change access code feature is en-
abled, the Mode Change Access Code menu
is displayed. Enter the mode change access
code as described on the previous page.
3. A menu with alternating arrows is displayed
above a second symbol. Press the second
button to start the genset.
The Operator menu that was displayed before
Manual Run mode was selected is redisplayed
and the Manual Run indicator is lit.
To disable Manual Run mode, press the button.
NOTE: Auto mode can also be selected while in
Manual Run mode. Switching to Auto mode
may result in the generator set shutting
down.
Aborting the Transition to Auto or Manual
Run Mode
If the Mode Change Access Code menu or the
menu showing alternating arrows above the or
buttons is displayed, the transition to Auto or
Manual Run mode is aborted when:
 Either the , , or button is pressed.
 The or button is not pressed within
ten seconds.
If the transition to Auto or Manual Run mode is
aborted, the Operator menu that was displayed be-
fore Auto or Manual Run mode was selected is re-
displayed.
MANUAL
RUN MODE
SELECTED
ALTERNATING
ARROWS ARE
DISPLAYED
THIS MENU IS
DISPLAYED ONLY IF
THE MODE CHANGE
ACCESS CODE
FEATURE IS ENABLED
FIGURE 2-11. SELECTING MANUAL RUN MODE

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