Product Manual

TP-6905 7/18 27Section 2 Generator Set Operation
Fault (RDC2)
Fault (OnCuer
Plus)
Condition Check
Genset S/N
Unaval Warning
Unavailable
Genset Serial
Number
Generator set serial number is unavailable. Contact an authorized
distributor/dealer for service. See
section 3.11.
Ground Fault
Warning
Ground Fault
Warning
The digital input for Ground Fault Warning is
active (low). (PIM required.)
Check customer equipment
connected to the PIM.
IAT High 1
Warning
Iat Higher
Than
Expected 1
Engine manifold air temperature is too high. Contact an authorized
distributor/dealer for service and
provide the fault code.
IAT Volt Lo
Warning
Iat Low
Voltage
The ECM reported an Engine Air
Temperature/Manifold Absolute Pressure
Sensor (TMAP) error.
Contact an authorized
distributor/dealer for service and
provide the fault code.
Lo Crank Vlt
Warning
Low Cranking
Voltage
Low cranking voltage. Battery voltage falls
below 60% of system battery voltage for more
than 6 seconds while the starter is engaged.
Charge or replace the battery.
Locked Rotor
Shutdwn
Locked Rotor No engine rotation is sensed during cranking.
Shuts down 3 seconds after the fault is
detected.
Check the battery.
Check for loose connections.
Check for obstruction of alternator or
engine.
Contact an authorized
distributor/dealer for service.
MainPwrOverL
Shutdwn
Main Power
Overload
Main power overload. An over current fault on
the 70 controller power output (short circuit).
Check for shorted run relay. Check
wiring for short circuits.
Contact an authorized
distributor/dealer for service.
Maint Req’d
Warning
Maintenance
Required
Warning
Engine maintenance is due. Check the maintenance schedule in
the operation manual for tasks such
as changing the oil, spark plugs or the
air filter.
Not in Auto
Warning
Not In Auto 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.
Oil Pres Low
Shutdwn
Low Oil
Pressure
The engine ECM indicates low oil pressure.
Note: The low oil pressure shutdown does not
protect against low oil level. Check the engine
oil level regularly as recommended in
Section 4.
Check for leaks in the lubrication
system.
Check the oil level and add oil if the
level is low.
Check the oil pressure switch and
wiring.
Over Crank
Shutdwn
Over Crank Three unsuccessful starting attempts. Check the fuel supply, spark plug,
and battery.
Check for loose connections.
Contact an authorized
distributor/dealer for service.