Kohler 14RESA Manual page 72

Fault Message
Battery CRLow Warning
[
Battery Low Warning
[
Chk DateTime Warning
(Check date and time warning)
Default Pars Warning
(Default Parameters)
Emerg Stop Shutdwn
Engine M/N Invalid Shutdwn
Engine Speed High Shutdwn
Engine Speed Low Shutdwn
Exer Not Sch Warning
Frequency High Shutdwn
Frequency Low Shutdwn
* Programmable Interface Module (PIM) required.
[ Applies during exercise runs and normal operation.
] RBUS devices include the APM, PIM, LCM, load shed kit, RXT transfer switch, and the RXT combined interface board.
72 Section 5 Troubleshooting
Action
Warning Battery voltage dropped to 11 VDC or
less for 30 seconds or more.
Warning The controller has measured battery
voltage that is below the low warning
setting for 90 seconds or more.
The battery voltage is checked before
allowing an exercise to start.
Warning DC power to the controller has been
interrupted and the date and time may
not be correct. Event history may not
have accurate time/date stamps.
Warning The controller has been loaded with
default parameters.
Shutdown The optional emergency stop button
has been pressed or emergency stop
leads ESS and/or ESN are not
connected.
Shutdown Generator model number has not been
entered. (Engine model number is
selected automatically based on
generator set model.)
Shutdown The controller shut down the generator
because engine speed, as calculated
from AC frequency, was above the high
speed setting for 0.3 seconds or more.
Shutdown The controller shut down the generator,
after crank disconnect, because engine
speed, as calculated from AC
frequency, was below the low speed
setting for 3 seconds or more.
On 20RESB/C/CL/D, the cause may be
a tripped thermostat.
Warning There is no exercise scheduled.
Shutdown The controller shut down the generator
because the frequency measured on
Phase A exceeded the high frequency
setting for 10 seconds, 10 seconds or
more after crank disconnect.
Shutdown The controller shut down the generator
[
because the frequency measured on
Phase A was less than the low limit for
10 seconds or the measured frequency
was 10 Hz or more less than rated for
60 seconds or more, 10 seconds or
more after crank disconnect.
On 20RESB/C/CL/D, cause may be a
tripped thermostat.
Description/ Comments Check
Check engine starting battery.
Check battery charger DC
output voltage from RDC2 on
lead CHO (P1-8) or lead P
(P1-1) to the battery.
Check engine starting battery.
Check battery charger DC
output voltage from RDC2 on
lead CHO (P1-8) or lead P
(P1--1) to the battery.
Verify the time and date
settings to ensure proper
operation of scheduled
operations and for event
history logging.
Configure settings as required
for desired operation.
Reset the emergency stop
button and clear the fault as
described in Section 5.6.
Check lead ESS and ESN
connections to the emergency
stop button. If there is no
E-stop button, connect ESS
and ESN together.
Enter the generator set model
number from the RDC2
keypad, or use SiteTech to
select the genset model
number.
Troubleshoot engine
operation per the engine
service manual.
Troubleshoot engine
operation per the engine
service manual.
Check for evidence of high
temperatures inside the
enclosure. Reset the
thermostat.
Set the exercise schedule.
Troubleshoot engine
operation per the engine
service manual.
Troubleshoot engine
operation per the engine
service manual.
Check for evidence of high
temperatures inside the
enclosure. Reset the
thermostat.
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