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7
DANGER
With the switch set to AUTO, the engine can
crank and start suddenly without warning. Such
automatic start up normally occurs when utility
source voltage drops below a pre-set level. To
prevent possible injury that might be caused by
such sudden starts, set the AUTO/ OFF/MANUAL
switch to OFF and remove the NEGATIVE battery
cable from the battery before working on or
around the unit. Then, place a “DO NOT OPER-
ATE” tag on the control console.
MANUAL START
Allows the user to start and run the generator manu-
ally. Transfer of the load to the generator will occur
if the utility is lost while the engine is running in the
manual mode.
SYSTEM READY (GREEN LED
INDICATOR)
Is a positive status indicator and dependent upon the
following conditions being true:
1. Switch in the AUTO position.
2. No other warning indicator present.
3. Controller is functional.
The System Ready LED will also indicate if utility
voltage is present at the control board. The system
ready LED will flash every second (at a 0.5 second
ON and a 0.5 second OFF rate) when utility voltage is
not present at the control board when the switch is in
either the AUTO or MANUAL position. This function
is ONLY available with DIP Switch Position 2 in the
OFF position (ATS application).
The system ready LED will also indicate if the genera-
tor is in the GTS Mode (i.e. DIP Switch Position 2 in
the ON Position). The system ready LED will flash at
a five (5) seconds ON and one (1) second OFF rate in
GTS Mode.
LOW FUEL PRESSURE (YELLOW LED
INDICATOR)
The yellow low fuel pressure LED will turn ON if the
fuel supply pressure drops below approximately five
(5) inches water column (i.e. occurs when the low fuel
pressure sensing switch on the fuel regulator opens).
This is a non-latched fault (visual LED warning only)
and does not trigger the controller alarm output. Low
fuel pressure sensing is active in all generator operat-
ing modes (i.e. MANUAL, OFF and AUTO).
LOW BATTERY (RED LED INDICATOR)
The R-200A controller continually monitors the bat-
tery voltage and turns on the low battery LED if the
battery voltage falls below approximately 12.2VDC
for one minute. A low battery voltage is a non-latch-
ing alarm and will not shut down the engine, however,
it is a possible indication of a potential issue with
the battery or battery charger and should be inves-
tigated.
The low battery LED will automatically turn off if the
battery voltage rises above approximately 12.5VDC.
If the engine is running when the low battery condi-
tion occurs, the engine will continue to run as long
as possible.
If the battery voltage drops below 6V at any time dur-
ing cranking, the crank cycle will be terminated and
the low battery LED will remain lit. This is a latched
fault and will shut down the engine.
LOW OIL PRESSURE (RED LED
INDICATOR)
Occurs if the oil pressure switch closes while the
engine is running after the 10 second hold off timer
expires. This is a latched fault and will shutdown the
engine.
HIGH COOLANT TEMP (RED LED
INDICATOR)
Occurs if the high coolant temp switch closes. Checks
are made after the 10 second hold off timer expires.
This is a latched fault and will shutdown the engine.
LOW COOLANT LEVEL (FLASHING RED
HIGH COOLANT TEMP LED INDICATOR)
Occurs if the coolant level is low. Checks are made
after the 10 second hold off timer expires. This is a
latched fault and will shutdown the engine.
OVERSPEED (RED LED INDICATOR)
An overspeed shutdown will occur if the engine speed
is greater than 4300 rpm for a 3600 rpm engine;
2160 rpm for an 1800 rpm engine; 2250 rpm for an
1800 rpm engine, for three (3) seconds. An overspeed
condition will shutdown the engine and activate the
over speed LED. An immediate overspeed shutdown
will occur if the engine speed is greater than 4500
rpm for a 3600 rpm engine.
General Information
R-panel Technical Manual