Generator Shutdown Procedure - MQ Power WHISPERWATT DCA70SSJU4F Operation Manual

WARNING
NEVER stop the engine suddenly except in an
emergency.
NORMAL SHUTDOWN PROCEDURE
To shut down the generator, use the following procedure:
1. Place the MAIN, GFCI, and LOAD circuit breakers as
shown in Figure 56 to the OFF position.
MAIN
AUX. CIRCUIT
CIRCUIT
BREAKER
Figure 56. Main, Aux. and GFCI
Circuit Breakers (OFF)
2. Let the engine cool by running it at low speed for
3–5 minutes with no load applied.
3. Place the Auto Off/Reset Manual Switch (Figure 57)
in the OFF/RESET position.
AUTO
OFF/RESET
Figure 57. Auto Off/Reset Manual Switch
(Off/Reset)
4. Verify that all status LEDs on the ECU control panel
are OFF (not lit).
5. Remove all loads from the generator.
6. Inspect the entire generator for any damage or
loosening of components that may have occurred
during operation.
PAGE 38 — DCA70SSJU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #5 (05/03/22)

GENERATOR SHUTDOWN PROCEDURE

CS-6369 DUPLEX
CIRCUIT
BREAKERS BREAKERS
MANUAL
EMERGENCY SHUTDOWN PROCEDURE
NOTICE
The Emergency Stop Pushbutton Switch should only
be used to stop the engine in case of an emergency
or to lock out operation during service. The emergency
stop switch should NEVER be used for routine stopping
of the engine.
1. To stop the engine in the event of an emergency, push
the Emergency Stop Pushbutton Switch (Figure 58).
Figure 58. Emergency Stop Button
2. The emergency stop switch is a push-locked type
switch. The switch contact can only be released by
rotating the button in the clockwise direction. The
engine can not be restarted until the contact is released
(closed).
3. Place the MAIN, GFCI, and LOAD circuit breakers in
the OFF position as shown in Figure 56.
AUTOMATIC SHUTDOWN SYSTEM
This unit is equipped with safety devices to automatically
stop the engine in the event of low oil pressure, approximately
17 psi (117 kPa), high water temperature, approximately
240°F (116°C), or overspeed approximately +15%. The
alarm lamps on the ECU illuminate to signify the reason
for the shutdown.
NOTICE
Before inspecting the generator, check that the
Auto/Manual switch is in the OFF/RESET position,
and place all circuit breakers in the OFF position. Allow
sufficient time for adequate cooling. When ready to
restart, complete all steps in the Generator Startup
Procedure section of this manual.