Specifications And Features; Introduction; Controller Features - Kohler APM402 Operation

1.1 Introduction

The spec sheets for each generator set provide model-specific generator and engine information. The controller spec sheet
provides specifications for this controller. Refer to the respective spec sheet for data not supplied in this manual. Refer to the
generator set service manual, installation manual, engine operation manual, and engine service manual for additional
specifications.

1.2 Controller Features

The controller features include the annunciator lamp, digital display and pushbutton/rotary selector dial, switches and controls,
and fuses and terminal strip. The following paragraphs detail the features by general topics.
See Figure 2 for an illustration of the controller front panel.
Generator set master control switches,
OFF/RESET- AUTO-RUN buttons with lamps
Emergency stop switch
Figure 2 Controller with Digital Display and Pushbutton/Rotary Selector Dial
The controller features, accessories, and menu displays depend upon the engine electronic control module (ECM) setup and
features. Controller features apply to generator set models with ECM and non-ECM engines unless otherwise noted.
Note:
Press the pushbutton/rotary selector dial to turn on the controller lights and display. The lights and display turn off 60 minutes
after the last entry when in the AUTO mode.
Note:
After about 5 minutes of no user input (pushbutton/rotary selector dial or buttons), the menu is reset to the top of the main menus
and auto-paging activates for the Overview submenus.
Note:
Measurements display in metric or English units. Use the Generator Set System menu to change the measurement display.
TP-6694 9/20
Section 1. Specifications and Features
Alarm horn (behind panel)
Digital display
OFF/RESET AUTO RUN ALARM SILENCE
Pushbutton/rotary selector dial
Annunciator fault lamp
Controller terminal strips (on
circuit board)
Alarm silence/lamp test button
with lamp
FAULT
Mini USB connection
GM65741-
17