TT-1625 7/17 7
Emergency Power System (EPS) Supplying Load.
(RSA III with ATS only). Use the SiteTecht so ftware to
select the EPS source from the following choices:
D Green LED is s teady on when the generator set is
supplying more than 5% of standby output current (or
when transfer switch is in the emergency position
with the DEC 3+ controller).
D The EPS can be configured to receive the ATS
position using Modbusr. When the ATS is in the
emergency position, the EPS Supplying Load LED is
steady on
.
D Local EPS supplying load. See Figure 7.
Emergency Stop. Red LED flashes and engine stops
when emergency stop is made. May require an optional
local emergency stop switch on the generator set
controller.
Generator Running. Green LED is steady on
when
generator set is in operation. See System Ready note.
(Generator Switch) Not-In-Auto. Red LED flashes
at
a faster rate
when generator set master switch is in the
RUN or OFF/RESET position.
High Engine Temperature.
D Red LED flashes when engine has shut down
because of high engine coolant temperature.
D Yellow LED flashes when engine coolant
temperature approaches shutdown range. Requires
warning sender on some generator set models.
Low Coolant Level/Aux. Fault. LED is steady on
when
engine coolant level is below acceptable range on
radiator-mounted generator sets only. When used with
a DEC 3+ controller, LED indicates low coolant level or
auxiliary fault shutdown. Requires customer-supplied
low coolant level switch on remote radiator models.
Low Coolant Temperature. Yellow LED flashes when
optional engine block heater malfunctions and/or
engine coolant temperature is too low. Requires
prealarm sender on some generator set models.
Low Cranking Voltage. Yellow LED flashes when
engine starting battery voltage drops below preset level.
Low Fuel (Level or Pressure). Yellow LED flashes
when level in diesel fuel tank approaches empty or low
pressure occurs with gas fuels. Requires customer-
supplied level or pressure switch on some generator set
models. If the unit shuts down on a Low Fuel Warning,
as is possible o n some controllers, the RSA III lights the
Low Fuel Warning indicator and the Common Fault
Indicator.
Low Oil Pressure.
D Red LED flashes when set shuts down because of
insufficient oil pressure.
D Yellow LED flashes when engine oil pressure
approaches shutdown range. Requires warning
sender on some generator set models.
Not-In-Auto. See (Generator Switch) Not-In-Auto.
Overcrank (Locked Rotor). Red LED flashes and
cranking s tops when engine does not start in either
continuous cranking or cyclic cranking modes.
Overspeed. Red LED flashes when engine shuts down
because of an overspeed condition.
System Ready.
D Green LED is steady on when generator set master
switch is in AUTO and the system senses no faults.
D Red LED flashes when a system fault occurs.
A System Ready red LED and/or a Generator Running
LED off, without an associated LED shutdown indication
on the RSA III may indicate a fault initiated by the engine
ECM. The RSA III will only report on the status of the
system ready based on the generator set controller.
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