Kohler TT-1757 Installation Instructions Manual

Original Issue Date: 5/18
Model: Generator Sets with APM402 or Decision- -Makerr 3000 Controller
Market: Industrial and Residential/Light Commercial
Subject: GM104661, APM402 Controller Service Replacement Kit
Introduction
The controller service replacement kit is available to
replace a non-functional controller. Use the following
procedure to install the replacement controller. See
Figure 1 for typical controller identification. For features
and operation of the controller, see the operation
manual in the literature kit.
Note: Use the APM402 as a service replacement for the
Decision-Makerr 3000. The personality profile
and configuration file from a Decision-Makerr
3000 can be imported into an APM402, however,
a profile from a APM402 cannot be loaded onto a
Decision-Makerr 3000, even if the original profile
was designed for a Decision-Makerr 3000. Also
Decision-Makerr
replacement for an APM402.
Note: The APM402 controller uses different firmware
than the Decision-Makerr 3000 controller. Do
not attempt to load Decision-Makerr 3000
firmware on an APM402 controller, or vice-versa.
Note: WHEN REPLACING
3000 CONTROLLERS, FIRMWARE IN OTHER
KOHLER ACCESSORIES SUCH AS RSA II,
RSA III AND
CONVERTER NEEDS TO BE UPDATED TO
FUNCTION
converter requires both SNMP firmware update
and a .MIB file update. Monitor III software does
not require any updating; however, the APM402
appears as a Decision-Makerr 3000 in this
software. Use the following accessory firmware
upgrades available for download in the Service
Support section of the Kohler Power Resource
Center:
RSA III firmware version 2.02.0 or higher
D
RSA II firmware version 2.00 or higher
D
Modbus/Ethernet converter firmware and
D
.MIB file released June 2018 or later
INSTALLATION INSTRUCTIONS
3000 is not a
DECISION-MAKERr
MODBUS/ETHERNET
PROPERLY. Modbus/Ethernet
1. Mini USB connection
service
Figure 1 APM402 Controller
Note: Do not use this controller replacement installation
instruction for upgrading software.
When replacing the controller, the following data must
be resident for the controller to function. Controller
service replacement kits do not include the three files
installed at the factory. The service technician must
install the three files into the replacement controller.
Application program contains the software that
D
controls system operation. The application file was
preprogrammed in the original controller at the
factory.
Personality profile is specific to the engine and
D
alternator and was preprogrammed in the original
controller at the factory.
A backup disk of the personality profile and
application program is supplied with the literature
packet shipped with the generator set. Typically, the
distributor stores this disk for possible future use such
as controller replacement or other circumstances
requiring a backup.
TT-1757 7/18a
GM65741-
1