Kohler Understanding Generator Locked Rotor Fault and Shutdown Issues
Page 27

 

Warning (W) or

 

 

Fault

Shutdown (SD)

Condition

Check

 

 

 

 

Generator

SD *

Governed frequency exceeds 110% of the

Contact an authorized

Frequency High

 

system’s frequency setpoint for more than 10

distributor/dealer for service.

 

 

seconds. Function becomes active 10 seconds

 

 

 

after engine start (10 second inhibit).

 

 

 

 

 

Generator

SD *

Governed frequency falls below 90% of the

Reduce the load and restart the

Frequency Low

 

system frequency setting for more than

generator set.

 

 

10 seconds, or 1 Hz below the system frequency

Contact an authorized

 

 

setting for more than 60 seconds.

distributor/dealer for service.

 

 

 

 

 

Function becomes active 10 seconds after

 

 

 

engine start (10 second inhibit).

 

 

 

 

 

Generator

SD *

Generator voltage high. Output voltage exceeds

Contact an authorized

VoltageL1-L2

 

120% of the system nominal voltage for more

distributor/dealer for service.

High

 

than 2 seconds.

 

 

 

 

 

Generator

SD *

Generator voltage low. Output voltage falls

Reduce the load and restart the

VoltageL1-L2

 

below 80% of the nominal system voltage for

generator set.

Low

 

more than 10 seconds.

Contact an authorized

 

 

 

 

 

 

distributor/dealer for service.

 

 

 

 

Lo Crank Vlt

W

Low cranking voltage. Battery voltage falls

Charge or replace the battery.

 

 

below 8 VDC for more than 6 seconds while the

 

 

 

starter is engaged.

 

 

 

 

 

Locked Rotor

SD

No engine rotation is sensed during cranking.

Check the battery.

 

 

Shuts down 3 seconds after the fault is detected.

Check for loose connections.

 

 

 

Contact an authorized

 

 

 

distributor/dealer for service.

 

 

 

 

MainPwrOverL

SD

Main power overload. An over current fault on

Contact an authorized

Shutdown

 

the 70 controller power output (short circuit).

distributor/dealer for service.

 

 

 

 

Not in Auto

W

The generator set is not in Automatic (standby)

Press AUTO to place the generator

 

 

mode. Remote start and stop commands from a

set in Automatic mode, when

 

 

transfer switch or remote switch will be ignored.

appropriate.

 

 

 

 

Over Crank

SD

Three unsuccessful starting attempts.

Check the fuel supply, spark plug,

 

 

 

and battery.

 

 

 

Check for loose connections.

 

 

 

Contact an authorized

 

 

 

distributor/dealer for service.

 

 

 

 

Speed Sensor

SD

Engine speed sensor has failed or engine

Contact an authorized

Fault

 

stalled.

distributor/dealer for service.

 

 

 

 

* Engine cooldown runs before shutting down.

Figure 2-3 Controller Fault Messages

TP-6804 12/11

Section 2 Generator Set Operation 27

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Contents Models ControllersTP-6804 12/11 Engine Identification Product Identification InformationController Identification Generator Set Identification NumbersTable of Contents Networking Configuration Submenu OnCue Password Table of Contents TP-6804 12/11 Safety Precautions and Instructions BatteryAccidental Starting Exhaust System Engine Backfire/Flash FireHazardous Voltage/ Moving Parts Fuel System Hazardous NoiseHot Parts Heavy EquipmentList of Related Literature IntroductionEmission Information NameplateService Assistance Service Assistance TP-6804 12/11 Generator Set Enclosure Descriptions and Service ViewsTransfer Switch Introduction EngineRDC2 Controller Features DC2 Controller Features Accessories Removed to Show Detail Service ViewsDescriptions and Service Views TP-6804 12/11 Generator Set Operation Prestart ChecklistGenerator Set Operation Exercising the Generator SetAutomatic Operation with Model RDT or RSB Transfer Switches Automatic Operation with Model RXT Transfer SwitchSetting the Exerciser Unloaded Cycle Exercise with Complete System DiagnosticsExercise Faults Clearing a Fault on the RDC2 Controller Resetting the Controller after a Fault ShutdownCheck communication wiring between Controller Fault Messages Generator Set Operation TP-6804 12/11 RDC2 Generator Set/ Transfer Switch Controller Controls and IndicatorsRDC2 Controller Operation RUN OFF Auto Controller Keypad LED IndicatorsLCD Display Autopaging Displays, Automatic ModeController Power Battery ChargingChanging Settings Changing Settings Setting the Exerciser Setting the Exerciser at Controller Power--upChanging the Exercise Settings Procedure to Set the Exerciser on the RDC2 Controller Main Menu RDC2 Controller MenusEngine Metering Menu Overview Menu12 Generator Metering Menu Generator Metering MenuGenset Run Time Menu Generator Set Information Menu15 Genset System Menu Genset System Menu16 ATS Status Menu, with Calibration ATS Status Menu17 ATS Configuration Menu ATS Configuration MenuNetworking Information Menus Date and Time MenuDhcp Networking Status SubmenuReset OnCue Password? Yes Networking Configuration Submenu OnCue PasswordRbus Rbus Information23 Remote Devices Submenu Remote Devices Submenu24 Programmable Interface Module PIM Status Menu Programmable Interface Module PIM Status Menu25 Load Control Module LCM Status Menu Load Control Module LCM Menus26 Event Log Event LogDC2 Controller Operation DC2 Generator Set/ Transfer Switch ControllerDC2 Controller Pushbutton Operation Status Displays, Generator Running Exercise Modes Exerciser ResetOnCue Password Maintenance TimerDC2 Controller Operation TP-6804 12/11 Scheduled Maintenance Scheduled MaintenanceLubrication Service Schedule, 14RESA/RESAL ModelsService Schedule, 20RESA/RESAL Models Low Oil Pressure Shutdown Oil Change ProcedureLubrication System Engine Oil RecommendationOil Cooler 20RESA/RESAL Resetting the Maintenance TimerAir Cleaner Service Air Cleaner, 14RESA/RESAL ModelsSpark Plugs Air Cleaner, 20RESA/RESAL Models Cooling System EZ-273000-J Storage Procedure Introduction TroubleshootingFault Messages Controller Service AccessGeneral Troubleshooting Chart TroubleshootingAnsi Appendix a AbbreviationsLCB Page By Kohler Co. All rights reserved

14/20RESAL, 14/20RESA specifications

The Kohler 14/20RESA and 14/20RESAL are prominent generators recognized for their robust design, commitment to efficiency, and reliability in providing backup power for residential and light commercial applications. Kohler, a brand synonymous with quality, delivers these generators with advanced technologies and essential features that cater to the power needs of modern households and small businesses.

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Another standout characteristic of the Kohler 14/20RESA and 14/20RESAL is the advanced digital control system. This system includes an intuitive LCD display that provides real-time data and diagnostics, allowing users to easily monitor the generator's performance. Features such as automatic voltage regulation and overload protection safeguard the generator and connected devices, preventing damage and ensuring stable power output.

The design of these generators emphasizes durability and ease of installation. The robust enclosure protects against environmental elements, making them suitable for outdoor placement. Additionally, the generators feature a compact footprint, which is advantageous in areas with confined spaces.

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Maintenance is simplified with Kohler’s user-friendly design, which includes easy-access service points and a maintenance-free battery. This attention to serviceability enhances the overall user experience, ensuring that the generators operate efficiently for years.

In summary, the Kohler 14/20RESA and 14/20RESAL generators combine powerful performance with advanced technology, solid design, and user-friendly features. Their reliability makes them an excellent choice for anyone needing dependable backup power, whether for home, business, or specialized applications. With Kohler's reputation for quality backing these models, users can rest assured in their purchase decision.
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