Kohler KEP User Manual

TP-6745 7/1034 Section 2 Troubleshooting
2.10 Troubleshooting Table
The following table lists potential problems with possible
causes and suggested remedies. Section numbers in
the last column refer to other sections of this manual.
TOC refers to the Table of Contents in this manual.
Also see Section 2.11, MPACt 1500 Controller
Troubleshooting Flowcharts.
Always follow the safety precautions at the beginning of
this manual when troubleshooting and servicing the
transfer switch.
Problem Possible Cause Check
See
Section
Generator set
engine does not
start
Engine start time delay is running
Check for active time delays on the controller
display. Press End Delay button to end the delay, if
necessary.
2.6
Use View Time Delay screen to check time delay
settings.
ATS O/I/M
Loose engine start connection Check connections. Tighten connections and/or
replace wiring if necessary.
ATS O/I/M
No engine start signal from the
ATS
Test the engine start contact operation. 3.9
Generator set master switch not in
the AUTO position
Move generator set master switch to the AUTO
position.
Generator
set manuals
Generator set problem Troubleshoot the generator set.
Generator set
engine runs when it
should not
ATS does not recognize the
Normal source
Check connections. —
Check voltage and frequency settings, phase
rotation, calibration.
2.5
Incorrect voltage sensing. Figure 2-19
ATS not in the expected position Check the ATS position LEDs.
Check the position of the preferred source selector
switch, if equipped.
3.1
Exerciser is running Check the controller display for Exerciser Active
message. Press the END button to end an
exercise run, if necessary.
ATS O/I/M
Test sequence is running Check the controller display for indication that a
test sequence is active. Press the END TEST
button to end a test sequence, if necessary.
ATS O/I/M
Engine cooldown time delay
operating
Check for Engine Cooldown message on the
controller display. Press End Delay button to end
the cooldown delay, if necessary. Check the ATS
controller engine cooldown time delay setting.
2.6
ATS O/I/M
Check generator set controller engine cooldown
setting, if applicable.
Generator
O/M
Engine start connection closed
Check wiring and connections. ATS O/I/M
W/D
Check that the 40-pin ribbon cable connector
between the logic and power boards on the ATS
controller is connected.
3.2
Figure 3-5
Test the engine start contact operation. 3.9
O/I/M= Operation and Installation Manual; O/M = Operation Manual; TOC = Table of Contents, this manual;
W/D = Wiring Diagrams

Kohler KEP Specifications

General

Brand	Kohler
Model	KEP
Category	Switch
Language	English