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1.3.1 GENERATOR STOP SIGNALS
All signals occur when generator shutdown occurs as a
result of the failure indicated by the illuminated
lamp(s).
1. High Water Temperature/Low Water Level: This
lamp comes ON and the horn sounds when the gen-
erator's high temperature alarm is active.
2. Low Oil Pressure: This lamp illuminates and the
alarm horn sounds when the generator's low oil
pressure alarm is active.
3. Overspeed: This lamp turns ON and the alarm
horn sounds when the generator's overspeed alarm
is active.
4. Overcrank: This lamp turns on and the alarm horn
sounds when the generator's overcrank alarm is
active.
5. Sensor Loss: This lamp illuminates and the alarm
horn sounds when the generator's rpm sensor loss
alarm is active.
1.3.2 LATCHABLE SIGNALS
The following signals can be individually selected by
means of miniature rocker switch on the Remote
Panel's monitor circuit board. The available switch
positions are "Latch On" and "Latch Off". "Latch Off"
indicates the lamp will turn ON only when the signal is
present. "Latch On" indicates the lamp will be ON until
the monitor "Reset" switch is pressed. The alarm horn
sounds when "Latch" is selected. The horn will stay ON
until either the "Rearm Horn" or the "Reset" switch is
pressed.
1. Low Battery Voltage: This lamp illuminates when
the generator's battery voltage drops low, indicating
a discharge condition.
2. High Battery Voltage: This lamp will turn ON when
generator battery voltage is high, indicating an over-
charge condition.
3. Battery Charger Failure: This lamp will illuminate
on failure of the generator's battery charge system.
4. Low Fuel: This lamp illuminates when an occur-
rence of a low fuel level in the generator's fuel tank.
5. Pre-alarm/High Temp.: This lamp will illuminate
to warn of an approaching or imminent high coolant
temperature shutdown.
6. Pre-alarm/Low Temp.: This lamp will illuminate
when the coolant temperature has decreased, indi-
cating an engine coolant heater failure.
7. Pre-alarm/Low Oil Pressure: This lamp will illu-
minate in advance of a low oil pressure shutdown. It
indicates engine oil pressure has decreased to near
the point of automatic shutdown.
Section 1 — General Information
Remote Annunciator Panels
8. Generator Run: This lamp illuminates to advise
that the generator has started and/or is running.
Lamp ON indicates the generator "run" circuit is
active (Wire #14 on units with 12 volts DC engine
control system, Wire #219 on units with 24 volts
DC engine control system).
1.3.3 OTHER LAMPS
1. System Ready: This lamp will be ON to indicate
the generator set is able to run. If the lamp is OUT,
a "stop" signal is present.
2. Not In Auto: This lamp will illuminate to indicate
the generator's Auto-Off-Manual switch is NOT set
to "Auto" )that is, the switch is set to either "Manual"
or "Off" and automatic operation is not possible).
3. Horn Switch Off: This lamp will turn ON to indi-
cate the horn switch on the annunciator panel is
turned OFF . With the horn switch set to OFF , lamps
will not be affected. However, the alarm horn will
not sound.
4. Line Power: This lamp will be ON when the auto-
matic transfer switch main contacts are in their
"Utility" position (and connected to the "Utility"
power supply).
5. Generator Power: This lamp will turn ON when the
transfer switch main contacts are in their "Standby"
position, i.e., load is connected to the generator
power supply.
1.3.4 PANEL WIRING INTERCONNECTIONS
All INPUT signal connections are made at a 24 screw
terminal block, located on the Remote Panel's MONI-
TOR CIRCUIT BOARD. Use purchased No. 14 AWG
wiring for all interconnections. Maximum recommend-
ed distance between the Remote Panel and the standby
generator should not exceed 1000 feet (305 meters). See
page 36 for installer's wiring interconnections.
1.4
TROUBLESHOOTING
Troubleshooting the 18 lamp annunciator is limited to
checking wire connections at the generator panel, trans-
fer switch and annunciator, and checking for proper DC
inputs to annunciator terminal strip. If all connections
and input DC voltage signals are good but a problem
still exists with the annunciator operation, replace
annunciator circuit board.
1. Automatic Generator Stop Signals: The horn and
lamp are always latched if one of these signals
occurs. Generator stop lamps and horn can be reset
by either the test/reset switch at the annunciator or
reset of fault lamps at the generator.
2. Test/Reset: Pressing the test/reset switch energizes
all lamps except the "horn switch off" lamp and the
horn. Release of the switch resets the lamps and
horn. The test/reset switch has no effect on fault
indicators at the genset.
Generac
®
Power Systems, Inc. 31
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