Digital Display - Kohler Industrial Generator Set Operation Manual

1.2.3

Digital Display

Press the pushbutton/rotary selector dial to turn on the
controller lamps and display. The lamps and display
turn off 60 minutes after the last entry.
Note: The APM402 controller takes about 5--10
seconds to power on.
The generator set must be running for some displays to
indicate values. If the generator set is not running some
values will display zero or N/A (not available).
Some displays are engine dependent, refer to the
Appendix, Controller Displays from the Engine ECM.
The 12-character, 2-line backlit heated display provides
generator set and engine data, system status, and fault
information. See Figure 1-1. The digital display shows
abbreviations in some instances, refer to 1.3.1 Status
Event and Fault Specifications for the abbreviations and
their full descriptions.
Note: US/Metric Unit Display is selectable in
Generator Set System.
Note: Display Contrast is selectable in Generator Set
System. The contrast display adjustment allows
user selected resolution values to improve digital
display clarity.
Note: After about 5 minutes of no user input
(pushbutton/rotary selector dial or buttons), the
menu resets to the top of the main menus and
auto-paging activates
submenus.
The main menus are listed below. Within each main
menu are multiple submenus with descriptions
following.
Overview
D
Engine Metering
D
Generator Metering
D
GenSet Information
D
GenSet Run Time
D
GenSet System
D
GenSet Calibration (Decision-Makerr 3000
D
controllers before Version 3.0.25)
Voltage Regulation
D
Digital Inputs
D
Digital Outputs
D
Analog Inputs
D
Event Log
D
Volt Select
D
18 Section 1 Specifications and Features
for the Overview
Overview Menu
When a new shutdown or warning fault occurs, the
auto-paging display feature activates.
Active Shutdowns display if any are present. This
alerts the user to single or multiple shutdown fault
conditions. See 1.2.2—Annunciator Lamps—System
Shutdown Fault Lamp for a list of possible shutdown
faults.
Active Warnings display if any are present. This alerts
the user to single or multiple warning fault conditions.
See 1.2.2—Annunciator Lamps—System Warning
Fault Lamp for a list of possible warning faults.
Generator Set State displays the generator set status:
Off
D
Standby
D
Running
D
Cooldown
D
Stopping
D
Average Volts Line-to-Line value displays.
three-phase configurations the average line-to-line
voltage of L1, L2, and L3 is displayed. Single-phase
configurations show the L1-L2 voltage.
Frequency (Hz) value displays for the output AC
voltage.
Current value displays as the average for three-phase
configurations or the current value for L1-L2 with
single-phase configurations.
Average kW displays. For three-phase configurations
the average line-to-line kilowatts of L1, L2, and L3 is
displayed. Single-phase configurations show the L1-L2
kilowatts.
Coolant Temperature diplays for the engine coolant
temperature.
Oil Pressure displays the engine oil pressure.
Fuel Level % displays the fuel tank level for diesel-
powered models when so equipped.
Fuel Pressure displays fuel pressure for some engines.
Refer to the Appendix, Controller Displays from the
Engine ECM.
Battery displays the DC voltage of the engine starting
battery(ies).
CHG1 and CHG2 display battery charger voltage and
current (amps) if one or two CAN-enabled 10 Amp
battery chargers (GM87448
connected. Shows N/A if charger GM87448 was
For
only) have been
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