Generator Shutdown Procedure - MQ Power WHISPERWATT DCA125SSIU4F 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, aux., and GFCI duplex circuit
breakers to the OFF position as shown in Figure 62.
MAIN
AUX. CIRCUIT
CIRCUIT
BREAKER
Figure 62. Main, Aux. and GFCI Duplex
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 63)
in the OFF/RESET position.
AUTO
OFF/RESET
(CENTER)
Figure 63. 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 46 — DCA125SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #6 (05/12/22)

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 64).
Figure 64. Emergency Stop Switch
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 62.
AUTOMATIC SHUTDOWN SYSTEM
This unit is equipped with safety devices to automatically
stop the engine in the event of low oil pressure, approximately
14.2 psi (97.9 kPa), high water temperature, approximately
212°F (100°C), overspeed approximately +15%, or low
coolant level. The alarm message on the ECU displays 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.