Kohler 60RCL - Page 65

TP-6811 7/16 65Section 5 Troubleshooting
Fault Message CheckDescription/ CommentsAction
Maint Req’d Warning Warning Engine run time, or calendar days, has
exceeded the maintenance reminder
setting.
Change the oil and perform
other service according to the
service schedule in
Section 2.2.
Reset the maintenance timer
after service.
See Section 2.3.4, step 6.
Not In Auto Warning Warning The RDC2 controller is not in AUTO.
The generator will not start from an ATS
or remote device.
The digital output for Not In Auto (PIM)
is active (contacts closed).
Press the Auto button to
ensure automatic system
operation.
OB1 CommLoss
(PIM, load management devicew,
or RXT)
Warning Communications with option board #1
has been lost.
Check RBUS wiring to
inoperative option board.
OB2 CommLoss
(PIM, load management devicew,
or RXT)
Warning Communications with option board #2
has been lost.
Check RBUS wiring to
inoperative option board.
OB3 CommLoss
(PIM, load management devicew,
or RXT)
Warning Communications with option board #3
has been lost.
Check RBUS wiring to
inoperative option board.
OB4 CommLoss
(PIM, load management devicew,
or RXT)
Warning Communications with option board #4
has been lost.
Check RBUS wiring to
inoperative option board.
Oil Level Low Shutdwn * Shutdown The controller shut down the generator
because the digital input for Low Oil
Level Shutdown (PIM) was activated
(low).
Check customer equipment
connected to the PIM module.
Oil Level Low Warning * Warning The digital input for Low Oil Level
Warning (PIM) is active (low).
Check customer equipment
connected to the PIM module.
Oil Pressure Low Shutdwn Shutdown The ECM shutdown the engine and
reported low oil pressure as the fault.
Check for oil leaks.
Check the oil level and add oil
if low.
Check the oil pressure
sensor; see Engine Service
Manuals.
Oil Pressure Low Warning Warning The ECM is reporting a low oil pressure
warning.
Oil Pressure No Sig Warning Warning The ECM shutdown the engine and
reported no oil pressure signal as the
fault.
Check engine oil pressure
sensor and wiring to the ECM.
Troubleshoot engine.
Oil Pressure No Sig Shutdwn Shutdown The ECM shutdown the engine and
reported no oil pressure signal as the
fault.
Check engine oil pressure
sensor and wiring to the ECM.
Troubleshoot engine.
Over Crank Shutdwn Shutdown The controller shut down the generator ,
and ceased cranking, because the
engine was not successfully started
after the completion of the last of the
crank cycles setting delay 15 seconds.
Check fuel supply. Check
cranking circuit. Check
cranking battery.
Troubleshoot engine; see
Engine Service Manuals.
RBUS ComError Warning Warning The controller has lost communications
with a PIM or load management
devicew that had previously been
communicating properly.
Check connection to the PIM
or load management devicew.
Spd Sens Flt Shutdwn
(Speed sensor fault)
Shutdown The controller, or the ECM, shutdown
the generator because the speed signal
was lost.
Check speed sensor and
circuitry to ECM.
* Programmable Interface Module (PIM) required
w Load management device (LCM, load shed kit, or RXT with combined interface/ load management board).
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Applies during exercise runs and normal operation.