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Kohler RDC2 - User Manual

Kohler RDC2
72 pages
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Residential/Light Commercial Generator Sets
Models:
24RCL
30RCL
38RCLB
Controller:
RDC2
TP-6905 7/18c
Operation

Table of Contents

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Questions and Answers

  • T
    Todd BrownAug 20, 2025
    How to fix a Kohler Inverter generator that won't crank?
    • S
      spencethomasAug 20, 2025
      If your Kohler Inverter generator won't crank, there are several potential causes: * The battery may be weak or dead. Recharge or replace the battery. * The battery connections might be reversed or poor. Check the connections. * A fuse may be blown. Replace the fuse; if it blows repeatedly, contact an authorized Kohler distributor/dealer for service. * The generator set may be OFF. Press the RUN button to start the engine or press AUTO to allow remote starting.
  • S
    smithbettyAug 22, 2025
    What to do if my Kohler Inverter cranks but won't start?
    • P
      Patricia HendrixAug 22, 2025
      If your Kohler Inverter cranks but doesn't start, starts hard, lacks power, or operates erratically, consider these potential causes: * A clogged air cleaner. Clean and/or replace the air cleaner. * A weak or dead battery. Recharge or replace the battery. * Poor battery connection. Clean and tighten the battery connections. * A loose spark plug wire connection. Check the spark plug wires. * Low oil pressure shutdown. Check for oil leaks and the oil level, adding oil if necessary. * Insufficient fuel pressure. Check the fuel supply and valves. * A blown engine fuse. Replace the fuse; if it blows again, contact an authorized Kohler distributor/dealer. * Engine malfunction. Contact an authorized Kohler distributor/dealer.
  • E
    Emily TaylorAug 25, 2025
    How to fix a Kohler Inverter when it does not crank?
    • A
      Alexander SimmonsAug 25, 2025
      If your Kohler Inverter generator set does not crank, it might be due to a weak or dead battery. Try recharging or replacing the battery. Also, check the battery connections to ensure they are properly connected. A blown fuse could also be the culprit, so replace the fuse. If it continues to blow, contact an authorized Kohler distributor/dealer for service. Finally, make sure the generator set is turned on by pressing the RUN button or AUTO for remote starting.
  • E
    Eric PenaAug 27, 2025
    Why is there no AC output from my Kohler Inverter?
    • B
      Brittany BellAug 28, 2025
      If your Kohler Inverter has no AC output, check the following: * Ensure the AC circuit breaker is in the ON position. * If the AC circuit breaker is tripping due to overload, reduce the load on the generator set. * If the AC circuit breaker is tripping because of a short circuit, contact an authorized Kohler distributor/dealer for service. * If the engine fuse is blown, replace it. If the fuse blows repeatedly, contact an authorized Kohler distributor/dealer for service.
  • C
    carrollandreaSep 1, 2025
    How to resolve low output voltage on a Kohler Inverter?
    • G
      Gerald CookeSep 1, 2025
      If you're experiencing low output or an excessive drop in voltage with your Kohler Inverter, it could be that the generator set is overloaded. Try reducing the load.
  • L
    Lauren MasonSep 3, 2025
    What causes loss of communication to accessory modules in a Kohler Inverter?
    • T
      Tracy ArmstrongSep 3, 2025
      Loss of communication to accessory modules in your Kohler Inverter can be caused by: * Bad connections. Check wiring and connections. Verify that cable size and length of run comply with the instructions in the Installation manual. * Low or no battery voltage. Check battery connections and the generator set battery.
  • M
    Megan MilesSep 5, 2025
    What to do if the LCD display is off on my Kohler Inverter controller?
    • A
      Amy JarvisSep 5, 2025
      If the LCD display is off on your Kohler Inverter controller, it may be due to low or no battery voltage. Check connections and the generator set battery.
  • E
    Eric BrownSep 7, 2025
    Why is the date flashing on my Kohler Inverter display?
    • C
      Carlos BrownSep 7, 2025
      The date flashes on your Kohler Inverter display when the controller power was disconnected and then reconnected. Check battery connections. Check utility power connection for the built-in battery charger. Reset the time, date, and exercise schedule.
  • E
    Eric HartSep 12, 2025
    How to troubleshoot no AC output on a Kohler Inverter?
    • P
      pauladavenportSep 12, 2025
      If your Kohler Inverter has no AC output, first ensure that the AC circuit breaker is in the ON position. If the breaker is tripping, it could be due to an overload; try reducing the load on the generator set. If the breaker trips due to a short circuit or if the engine fuse is blown, contact an authorized Kohler distributor/dealer for service.
  • J
    James MccallSep 13, 2025
    What causes low output voltage on a Kohler Inverter?
    • S
      Susan SandovalSep 13, 2025
      If your Kohler Inverter experiences low output or excessive voltage drop, it might be overloaded. Try reducing the load on the generator set.

Summary

Safety Precautions and Instructions

Accidental Starting

Procedures to prevent accidental generator set startup during maintenance.

Battery

Safety warnings and procedures for handling batteries, including acid and gases.

Engine Backfire;Flash Fire

Safety precautions related to fuel system, combustible materials, and exhaust.

Exhaust System

Warnings about carbon monoxide and safe operating areas.

Fuel System

Safety guidelines for handling, storing, and using fuels to prevent fire and explosion.

Hazardous Voltage;Moving Parts

Critical safety warnings about electrical hazards and moving components.

Hot Parts

Safety warnings for hot components like coolant, engine, exhaust, and alternator.

Section 2 Generator Set Operation

2.2 Prestart Checklist

2.4 Generator Set Operation

Instructions for local and automatic starting/stopping, cooldown, and start cycles.

2.6 Faults

Information on identifying, classifying, and clearing warning and shutdown faults.

2.7 Model RXT Transfer Switch Operation

Section 3 RDC2 Controller Operation

3.1 RDC2 Generator Set;Transfer Switch Controller

Overview of the RDC2 controller's capabilities and managed components.

3.2 Controls and Indicators

Identification and function of the RDC2 controller's keypad, display, and LEDs.

3.14 ATS Status Menu

3.15 ATS Configuration Menu

Section 4 Scheduled Maintenance

4.1 General Maintenance

Safety precautions for performing maintenance tasks on the generator set.

4.2 Service Schedule

Table outlining routine maintenance checks, intervals, and procedures.

4.3 Lubrication System

4.5 Exhaust System

4.6 Cooling System

4.8 Battery

Section 5 Controller Troubleshooting

5.1 Introduction

5.3 Fault Messages

How the RDC2 controller displays fault messages for troubleshooting.

5.5 Generator Set Troubleshooting

A chart listing common generator set problems, causes, and solutions.

5.6 Controller Troubleshooting

Troubleshooting guide for the RDC2 controller's display and functionality.

Kohler RDC2 Specifications

General IconGeneral
ModelRDC2
TypePortable Generator
Fuel TypeGasoline
Starting SystemRecoil
Voltage120 V
Outlet Types2 x 120V 20A GFCI Outlets

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