Kohler Generator Fault Messages and Locked Rotor Shutdown Solutions

Page 24

 

Warning (W) or

 

 

Fault

Shutdown (SD)

Condition

Check

 

 

 

 

Exer Not Sch

W

Exercise Not Scheduled. No exercise has been

See Section 2.5 for instructions to set

 

 

scheduled on the RDC2 controller.

the exerciser.

 

 

 

 

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

Contact an authorized

VoltageL1-L2

 

exceeds 120% of the system nominal voltage for

distributor/dealer for service.

High

 

more 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 60% of system battery voltage 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.

 

 

 

 

Total Power

SD

Measured load is greater than 102% of the

Reduce the load.

High ShtDwn

 

generator set power rating for more than 1

 

 

 

minute. (38RCL only)

 

Figure 2-5Controller Fault Messages

24 Section 2 Generator Set Operation

TP-6810 11/13

Image 24
Contents RDC2 TP-6810 11/13bAccessory Number Accessory Description Product Identification InformationController Identification Generator Set Identification NumbersTable of Contents Scheduled Maintenance TroubleshootingAppendix a Abbreviations Safety Precautions and Instructions BatteryAccidental Starting Accidental starting Can cause severe injury or deathEngine Backfire/Flash Fire Exhaust SystemFuel System Hazardous Noise Hazardous noise Can cause hearing lossHazardous voltage Will cause severe injury or death Heavy Equipment Hot PartsHot coolant and steam Can cause severe injury or death Introduction NameplateList of Related Literature Literature Type Part NumberService Assistance Service Assistance TP-6810 11/13 Service Views NON-SERVICE Side260RCL Service Views Prestart Checklist Generator Set OperationOperating Area Keep the generator set area clear. Maintain at leastExercising the Generator Set Generator Set OperationAutomatic Operation with Model RDT or RSB Transfer Switches Unloaded Cycle Exercise with Complete System DiagnosticsSystem Diagnostics ExercisePower Failure During Exercise Exerciser ResetSetting the Exerciser at Power-up Unloaded Full-Speed ExerciseChanging the Exercise Setting Procedure to Change the Exercise Setting2RDC2 Main Menu 3Procedure to Set the Exerciser Faults Resetting the Controller after a Fault ShutdownATS Communication Errors Procedure to Reset the Controller after a Fault ShutdownFault Shutdown SD Condition Check 5Controller Fault Messages Model RXT Transfer Switch Operation Procedure to View Event HistorySetting Event LogTime Delays ATS Load Control Relay Time DelayATS Control Sequence of Operation Preferred Source FailsControls and Indicators RDC2 Controller OperationController Keypad LED Indicators ButtonButton Function LED OperationLCD Display Active AlertController Power Battery ChargingChanging Settings Procedure to Change SettingsChanging Settings on the RDC2 Controller 6Changing SettingsController Menus Main MenuOverview Menu Engine Metering MenuGenerator Metering Menu Voltage CalibrationGenerator Set Information Menu Genset Run Time MenuVoltage Regulator VR Voltage Adjust Setting the ExerciserAdjusting the Display Contrast Genset System MenuATS Status Menu 14ATS Status Menu, with CalibrationATS Configuration Menu Changing ATS Configuration SettingsDate and Time Menu Date and Time 02Dec2011 1234pm Time Format 12hr24hrNetworking Information Menus 17Networking Information MenuNetworking Status Submenu DhcpNetworking Configuration Submenu OnCue Password OnCue PasswordRbus Information Submenu 20RBUS Information SubmenuRemote Devices Submenu 21Remote Devices SubmenuProgrammable Interface Module PIM Menus Load Control Menus 23Load Control Status MenuScheduled Maintenance General MaintenanceService Schedule Every Operation DailyOil Specifications Lubrication SystemOil Check Oil AdditionsAir Cleaner Reset the maintenance timer on the RDC2Air Cleaner Service Procedure Check for leaksCooling System Checking and Filling CoolantExhaust System Inspection Points Flushing and Cleaning Flushing and Cleaning ProcedureCooling System Inspection Draining Cooling SystemIgnition System Model Spark plug gap 38 RCL, 48RCL, and 60RCL511 Storage Procedure Scheduled Maintenance TP-6810 11/13 Troubleshooting Fault MessagesIntroduction USB PortGenerator Set Troubleshooting Problem Possible Cause Corrective ActionController Troubleshooting 2RDC2 Troubleshooting ChartTroubleshooting TP-6810 11/13 Appendix a Abbreviations AnsiLCB Page 2012, 2013 by Kohler Co. All rights reserved

38RCL, 48RCL, 60RCL specifications

The Kohler RCL series of generators, particularly the 60RCL, 48RCL, and 38RCL models, represents a premium choice for those seeking reliable power solutions for residential and light commercial applications. Each model is tailored to meet diverse power needs, ensuring uninterrupted electricity supply during outages.

The 60RCL is engineered for maximum performance, offering 60 kW of power. This model is ideal for larger homes or small businesses that require dependable backup power. Its powerful Kohler engine is designed to deliver a quiet, smooth performance, while the advanced sound-dampening features keep noise levels to a minimum. The 48RCL offers a slightly lower output at 48 kW, making it suitable for medium-sized homes. Its compact design allows for flexible installation options, whether it’s outdoors or in a utility area, while still providing robust power during critical times.

The 38RCL, while the smallest of the series with 38 kW output, is perfect for homes that need a reliable backup generator without the bulk. Its streamlined design does not compromise on performance, making it an excellent choice for energy-efficient homes. All models in the RCL series come equipped with Kohler's Command Pro commercial-grade engine, ensuring longevity and reliability even in the harshest conditions.

A standout feature of the RCL series is the integrated KOHLER® 2.4-inch color display, which allows users to monitor generator performance in real-time. This user-friendly interface provides vital information such as operational status, run time, and maintenance notifications. Additionally, the series is designed with automatic transfer switches that allow for seamless switching between utility and generator power.

Moreover, these generators incorporate advanced control systems with remote monitoring capabilities, enabling users to check the status of their power supply from a smartphone or tablet. Designed with efficiency in mind, the RCL series boasts a fuel-efficient operation that supports both natural gas and propane, catering to diverse energy preferences.

In summary, the Kohler 60RCL, 48RCL, and 38RCL generators combine high performance, advanced technology, and user-friendly features. They are reliable solutions for anyone looking to safeguard their power needs, ensuring peace of mind when it matters most.