Kohler Power Systems 14/20RESA User Manual Page 27
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TP-6804 12/11 27Section 2 Generator Set Operation
Fault
Warning (W) or
Shutdown (SD)
Condition Check
Generator
Frequency High
SD * Governed frequency exceeds 110% of the
system’s frequency setpoint for more than 10
seconds. Function becomes active 10 seconds
after engine start (10 second inhibit).
Contact an authorized
distributor/dealer for service.
Generator
Frequency Low
SD * Governed frequency falls below 90% of the
system frequency setting for more than
10 seconds, or 1 Hz below the system frequency
setting for more than 60 seconds.
Function becomes active 10 seconds after
engine start (10 second inhibit).
Reduce the load and restart the
generator set.
Contact an authorized
distributor/dealer for service.
Generator
VoltageL1-L2
High
SD * Generator voltage high. Output voltage exceeds
120% of the system nominal voltage for more
than 2 seconds.
Contact an authorized
distributor/dealer for service.
Generator
VoltageL1-L2
Low
SD * Generator voltage low. Output voltage falls
below 80% of the nominal system voltage for
more than 10 seconds.
Reduce the load and restart the
generator set.
Contact an authorized
distributor/dealer for service.
Lo Crank Vlt W Low cranking voltage. Battery voltage falls
below 8 VDC for more than 6 seconds while the
starter is engaged.
Charge or replace the battery.
Locked Rotor SD No engine rotation is sensed during cranking.
Shuts down 3 seconds after the fault is detected.
Check the battery.
Check for loose connections.
Contact an authorized
distributor/dealer for service.
MainPwrOverL
Shutdown
SD Main power overload. An over current fault on
the 70 controller power output (short circuit).
Contact an authorized
distributor/dealer for service.
Not in Auto W The generator set is not in Automatic (standby)
mode. Remote start and stop commands from a
transfer switch or remote switch will be ignored.
Press AUTO to place the generator
set in Automatic mode, when
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
Fault
SD Engine speed sensor has failed or engine
stalled.
Contact an authorized
distributor/dealer for service.
* Engine cooldown runs before shutting down.
Figure 2-3 Controller Fault Messages
- 14/20RESA 1
- 14/20RESAL 1
- Operation 1
- Controller Identification 2
- Engine Identification 2
- Table of Contents 3
- Table of Contents, continued 4
- TP-6804 12/116 6
- Accidental Starting 7
- Engine Backfire/Flash 8
- Exhaust System 8
- Fuel System 9
- Hazardous Noise 9
- Hazardous Voltage/ 9
- Moving Parts 9
- Heavy Equipment 10
- Hot Parts 10
- Introduction 11
- Nameplate 12
- Emission Information 12
- Service Assistance 13
- RDC2 Controller Features 16
- DC2 Controller Features 17
- 1.7 Accessories 18
- 1.8 Service Views 19
- 2.1 Prestart Checklist 21
- 2.3 Generator Set Operation 21
- RXT Transfer Switch 22
- RDT or RSB Transfer Switches 22
- 2.4 Exercise 23
- 2.5 Faults 24
- Fault Shutdown 25
- Switch Controller 29
- 3.2 Controls and Indicators 29
- 3.2.1 Controller Keypad 30
- 3.2.2 LED Indicators 30
- 3.2.3 LCD Display 31
- 3.3 Controller Power 32
- 3.4 Battery Charging 32
- 3.5 Changing Settings 32
- 3.6 Setting the Exerciser 34
- 3.7 RDC2 Controller Menus 36
- 3.8 Main Menu 36
- 3.9 Overview Menu 37
- 3.10 Engine Metering Menu 37
- 3.11 Generator Metering Menu 38
- 3.13 Genset Run Time Menu 39
- 3.14 Genset System Menu 40
- 3.15 ATS Status Menu 41
- 3.16 ATS Configuration Menu 42
- 3.17 Date and Time Menu 43
- Submenu (OnCue Password) 45
- 3.18.3 RBUS Information 46
- 3.18.4 Remote Devices Submenu 47
- 3.19 Programmable Interface 48
- Module (PIM) Status Menu 48
- 3.21 Event Log 50
- 4.2 Controls and Indicators 51
- 4.2.1 Controller Keypad 52
- 4.2.2 LED Indicators 52
- 4.3 Controller Power 53
- 4.4 Battery Charging 53
- 4.5 Exercise 54
- 4.6 Event Log 54
- 4.7 Maintenance Timer 55
- 4.8 OnCue Password 55
- 5.1 Scheduled Maintenance 57
- 5.2 Lubrication System 60
- 5.2.6 Oil Cooler 20RESA/RESAL 61
- 5.3 Spark P lugs 62
- 5.4 Air Cleaner Service 62
- 1. Knobs (qty.2) 63
- 2. Cover 63
- 3. Paper element 63
- 5.5 Cooling System 64
- 5.6 Exhaust System 64
- 5.7 Battery 65
- 5.8 Storage Procedure 66
- Section 6 Troubleshooting 67
- 6.5 Troubleshooting 68
- Appendix A Abbreviations 69
- TP-6804 12/11 72
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