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Manuals
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Kohler Manuals
Portable Generator
KD2250
Operation
Kohler KD2250 Operation
Industrial generator sets
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Product Identification Information
Table of Contents
Safety Precautions and Instructions
Accidental Starting
Exhaust System
Fuel System
Hot Parts
Introduction
List of Related Materials
Nameplate Location
Service Assistance
Section 1. Specifications and Features
Introduction
Controller Specifications
Display and Touchscreen
Controller Features
Connections
Modbus Connections
Optional Keyswitch and Manual Start/Stop Button
NFPA Requirements
Parameter Settings
Base Module Inputs and Outputs
Section 2. Operation
Prestart Checklist
Operation in Cold Weather Climates
Exercising Generator Set
Conscious Care™, No-Load and Low-Load Exercise
Generator Set Operation
Start Signal
Stop Signal
Engine Cooldown
Emergency Stop
Idle Mode
Controller Operation Modes
Out of Service Mode
Manual Mode
Auto Mode (Standby or System Ready)
Load Shed
HMI Screen Layout
Home Screen
Top Bar
Generator View
Control Panel
Custom View Button
Operator Login
Data Displays
Generator Mechanical Values
Generator Electrical Values
Curve Display
Saved Electrical and Mechanical Data
Events
Faults and Alarms
Resetting an Alarm
Resetting a Fault
Consulting Status Messages
Full Event Log
Applications
Reference
Region Settings
HMI Settings
Restart
Display Cleaning
Firmware Update
Screenshot
Ladder Tools
Save Parameters
Upload Parameters
Menus
Menu 1-Settings
Menu 2-Measurements
Menu 3-History
Menu 4-Diagnosis
Menus 5 and 6
Menu 6.5-Communication
Section 3. Troubleshooting
Introduction
Generator Set and Controller
Engine
Transfer Switch
General Troubleshooting Chart
Section 4. Accessories
Accessories and Connections
Accessory Connections
Battery Chargers
Input and Output Modules
Analog Input/Output and Thermocouple Module
Digital Input/Output Module
Remote Emergency Stop Kit
Lockable Emergency Stop Switch
Remote Serial Annunciator
Appendix A. Abbreviations
Appendix B. Operating Hours and Service Log
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Operation
Industrial Generator Sets
Models:
KD700-KD4000
Controller:
APM802
TP-7070
4/25j
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Table of Contents
Troubleshooting
Section 3. Troubleshooting
77
General Troubleshooting Chart
78
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Summarization of Contents
Safety Precautions and Instructions
Accidental Starting and Battery Safety
Covers preventing unintended startup and hazards of battery handling, including acid and explosion risks.
Fire, Fuel, and Exhaust System Hazards
Addresses risks from fuel, fire, exhaust systems, and carbon monoxide exposure.
Noise and Electrical Hazards
Outlines risks from hazardous noise, explosive fuel vapors, and electrical safety.
Voltage, Moving Parts, and Handling Safety
Warns about dangers from high voltage, moving parts, and proper equipment handling.
Heavy Equipment and Temperature Warnings
Covers safety for lifting, hot parts, and specific operational notices.
Introduction
Related Literature and Resources
Lists other documents and resources for installation, maintenance, and parts.
Service Assistance
Specifications and Features
Introduction to Specifications
Explains how spec sheets and other manuals provide detailed information.
Controller Specifications
Details power requirements, operating temperature, protection index, and standards for the controller.
Controller Features
Lists features of the APM802 controller, including touchscreen, USB, and communication ports.
Controller Connections
Describes how to connect power, USB, Ethernet, and other modules to the controller.
Modbus and Communication Connections
Explains Modbus RTU/TCP connections and optional keyswitch/start-stop button use.
NFPA Requirements
Lists engine and general functions monitored by the controller for NFPA 110, Level 1 compliance.
Parameter Settings
Details factory-set and password-protected parameters for generator set operation.
Base Module Inputs and Outputs
Lists factory settings for digital and analog inputs/outputs on the base module.
Operation
Prestart Checklist
Outlines essential checks before starting the generator set for safe and optimal operation.
Cold Weather Operation
Provides recommendations for starting and operating the generator set in cold climates.
Generator Set Exercising
Explains the importance and procedures for periodic generator set operation to verify readiness.
Generator Set Operation Procedures
Covers starting, stopping, cooldown, emergency stop, and idle modes for generator set control.
Controller Operation Modes
Describes the primary modes: Auto, Manual, and Out of Service, for controlling the generator set.
Load Shed Functionality
Details how the load shed module automatically removes non-critical loads based on generator load levels.
HMI Screen Navigation
Explains the layout of the Human-Machine Interface (HMI), including home screen, top bar, and views.
Operator Login and Access
Describes how to log in as an operator to access and modify settings and functions.
Data Displays and Monitoring
Covers viewing mechanical and electrical values, curve displays, and saved data.
Event Logging and Management
Explains how to view, reset, and manage alarms, faults, and status messages.
Applications and System Settings
Details accessing application screens like Reference, Region, HMI settings, Firmware Update, etc.
Menu Navigation and Structure
Provides an overview of the controller's menu structure and access levels for various settings.
Troubleshooting
Troubleshooting Introduction
Guides on diagnosing and correcting common generator set problems.
Generator Set and Controller Issues
Refers to charts for troubleshooting the generator set and its controller.
Engine Troubleshooting
Directs to engine manuals for specific engine-related troubleshooting.
Transfer Switch Issues
Guides on troubleshooting transfer switch components and related literature.
General Troubleshooting Chart
A comprehensive chart listing symptoms, probable causes, and recommended actions.
Accessories
Accessory Overview and Connections
Introduces available accessories and general connection guidelines.
Battery Chargers
Describes the factory-installed battery charger kits for KD models.
Input/Output Modules
Covers Analog I/O, Thermocouple, and Digital I/O modules for expanding functionality.
Remote Emergency Stop Kits
Details the installation and operation of remote and lockable emergency stop switches.
Remote Serial Annunciator (RSA III)
Explains the RSA III for remote monitoring, alarms, and system status indication.
Abbreviations
Operating Hours and Service Log
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