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Kohler 14RESA - User Manual

Kohler 14RESA
172 pages
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Residential/Commercial Generator Sets
Models:
14RESA/RESAL
20RESA/RESAL
20RESB
20RESC/RESCL
20RESD
Controllers:
RDC2 Controller
DC2 Controller
TP-6805 8/15b
Service

Table of Contents

Other manuals for Kohler 14RESA

Questions and Answers

  • B
    Brittany FletcherAug 20, 2025
    How to troubleshoot inadequate fuel supply in Kohler 14RESA Portable Generator?
    • M
      Martin HughesAug 20, 2025
      Check for damaged primary or secondary fuel regulators, loose connections to the fuel solenoid valve, a damaged or closed fuel shutoff valve, an empty LP fuel tank, or other problems with the fuel supply. Check the fuel supply pressure to the generator set.
  • M
    megan69Aug 22, 2025
    How to fix no AC output on my Kohler 14RESA Portable Generator?
    • L
      Lindsay NguyenAug 22, 2025
      If your Kohler Portable Generator has no AC output, check if the line circuit breaker is in the OFF position and switch it to the ON position. Also, reduce the load on the generator if the circuit breaker is tripping due to an overload. If the line circuit breaker is tripping because of a short circuit or if the auxiliary winding circuit breaker tripped, contact an authorized Kohler distributor/dealer for service. If the auxiliary winding circuit breaker trips repeatedly after you reset it (it is located in the controller’s service access area), contact an authorized Kohler distributor/dealer for service.
  • M
    Matthew OsbornAug 25, 2025
    What to do if my Kohler 14RESA cranks but won't start?
    • L
      Lauren JenkinsAug 25, 2025
      If your Kohler Portable Generator cranks but doesn't start, starts hard, lacks power, or operates erratically, try the following: * Clean and/or replace the air cleaner. * Recharge or replace the battery if it's weak or dead. * Clean and tighten the battery connections if they are poor. * Check the spark plug wires to ensure they are properly connected. * Check for oil leaks and add oil if the level is low. * Check the fuel supply and valves to ensure sufficient fuel pressure. If these steps don't resolve the issue, contact an authorized Kohler distributor/dealer, as it may indicate an engine malfunction.
  • M
    Mark DunnAug 27, 2025
    How to troubleshoot a Kohler 14RESA that won't crank?
    • M
      mirandabarreraAug 28, 2025
      If your Kohler Portable Generator doesn't crank, the following could be the reasons: * A weak or dead battery: Recharge or replace the battery. * Reversed or poor battery connections: Check the connections. * A fault shutdown: Check the controller display for fault messages, correct the fault condition, and reset the controller. * The generator set being in the OFF mode: Press the RUN button to start the engine or press AUTO to allow remote starting.
  • N
    Noah CarterAug 29, 2025
    What causes low output voltage on my Kohler 14RESA?
    • B
      Betty AndersonAug 29, 2025
      Low output or excessive voltage drop in your Kohler Portable Generator is often caused by the generator set being overloaded. Reduce the load to resolve this issue.
  • G
    Garrett SmithAug 31, 2025
    Why is the controller display off on my Kohler 14RESA?
    • D
      Dustin MartinezAug 31, 2025
      The controller display on your Kohler Portable Generator might be off due to low or no battery voltage. Check the connections and the generator set battery.
  • J
    Jennifer DoyleSep 2, 2025
    Why is the backlight off on my Kohler 14RESA's controller display?
    • G
      goodmanangelaSep 2, 2025
      The backlight on the controller display of your Kohler Portable Generator turns off after about 1 minute of inactivity. The backlight will turn on when a button is pressed or the generator set starts.
  • P
    Peter RodriguezSep 6, 2025
    What to do if the breaker will not close in RUN on my Kohler 14RESA?
    • A
      adamsshannonSep 6, 2025
      If the breaker won't close in RUN on your Kohler Portable Generator, it could be due to: another breaker being closed (stop the other generator set), auto-discovery not being complete (initiate auto-discovery by ensuring this generator is in RUN mode and the other is stopped with the controller in OFF mode), or bus sensing not being connected correctly (check wiring between both generators and the Automatic Paralleling Module).
  • J
    Jason AdamsSep 8, 2025
    Why does SiteTech indicate that both engines are under load, but the ATS has not transferred on my Kohler Portable Generator?
    • L
      lisa02Sep 8, 2025
      If SiteTech indicates that both engines are under load but the ATS hasn't transferred on your Kohler Portable Generator, it could be due to the metering on either generator being backwards. To fix this, select a different model number for the affected generator, then re-select the correct model number. This clears the CT direction flag and allows the generators to re-determine CT direction.
  • K
    Kristen CastilloSep 9, 2025
    Why does my Kohler Portable Generator experience Main Power Overload Shutdown?
    • R
      roylisaSep 10, 2025
      The Main Power Overload Shutdown is caused by an overcurrent condition on the DC power supply circuit. Check the crank, run, and flash relay circuits for short circuits. To address nuisance shutdowns, update the controller firmware to version 6.7 or higher.

Summary

Service

Safety Precautions and Instructions

Accidental Starting

Details hazards and procedures to prevent accidental generator starting.

Battery Safety

Covers safety precautions for handling batteries, acid, and gases.

Engine Backfire and Fuel System Safety

Warns about fire hazards from engine backfire and fuel leaks.

Exhaust System and Carbon Monoxide Safety

Addresses carbon monoxide hazards and exhaust system integrity.

Hazardous Voltage, Moving Parts, and Fuel System Safety

Highlights dangers of hazardous voltage, moving parts, and fuel system safety.

Heavy Equipment and Hot Parts Safety

Covers safety for lifting equipment and hot engine/exhaust components.

Service Assistance

Section 1 Specifications

Section 2 Scheduled Maintenance

Accidental Starting and Hazardous Voltage Precautions

Details safety procedures for accidental starting and hazardous voltage.

Service Schedule and Routine Maintenance

Outlines maintenance tasks, frequency, and routine service based on operating conditions.

Service Schedule Table

A table detailing maintenance tasks, frequency, and corresponding sections.

Battery Maintenance and Cleaning

Provides general information, maintenance, and cleaning instructions for the battery.

Section 3 Generator Reconnection

Voltage Reconnection Procedures

Explains procedures for reconnecting generator set stator leads for different voltages.

Section 4 Controller

SiteTech Software for Controller Management

Explains the use of SiteTech software for controller configuration and firmware updates.

Controller Parameters Overview

Introduces adjustable parameters and notes on selected settings like temperature and engine speed.

Controller Replacement Procedure

Provides instructions for replacing the RDC2 or DC2 controller, including important notes.

Controller Setup Procedure

Details the procedure for setting controller parameters after installation.

Voltage Calibration Procedures

Explains how to check and adjust voltage calibration using keypad or SiteTech.

Section 5 Troubleshooting

Fuel System Troubleshooting Guide

Guides on troubleshooting common fuel system problems related to pressure and regulator function.

Troubleshooting Engine Hunting in 20 kW Models

Provides a sequence to diagnose and resolve engine hunting issues.

Fault Messages and Overload Shutdowns

Lists fault messages, their descriptions, and recommended checks, including overload conditions.

Fault Messages: Battery, Timing, and Speed Issues

Lists fault messages related to battery, timing, speed, and thermostat issues.

Troubleshooting Paralleling Faults and Events

Lists warning messages and events related to paralleling systems.

Troubleshooting Chart

A reference table for troubleshooting individual problems, causes, tests, and corrective actions.

Controller Troubleshooting Guide

Provides a table for troubleshooting controller issues like display problems and communication loss.

Load Management Troubleshooting

Guides on troubleshooting issues with load management devices and controller recognition.

Section 6 Component Testing and Adjustment

Alternator Excitation Theory and Procedures

Covers alternator excitation, including no/low voltage, erratic regulation, and separate excitation.

Voltage Adjustments and Regulator Settings

Explains how to adjust voltage and configure voltage regulator settings.

Fault Shutdown Tests

Verifies the operation of overspeed, overcrank, and low oil pressure shutdowns.

Section 7 Disassembly;Reassembly

Safety Precautions for Disassembly

Highlights critical safety warnings for disassembly procedures.

Section 7 Reassembly

Section 8 Wiring Diagrams

Kohler 14RESA Specifications

General IconGeneral
Voltage120/240V
Frequency60 Hz
Fuel TypeGasoline
EngineKohler
PhaseSingle Phase
Starting SystemElectric
Warranty3 years limited

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