Auto/Manual Mode; Navigation Buttons; Control Power Switch; Engine Start - Generac Power Systems Magnum Series Operating Manual

Diesel generator with powerzone controller
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General Information

Auto/Manual Mode

The Auto/Manual Mode ( ) button is used to change the startup and shutdown modes of the unit. When pressed
once, the unit enters Manual mode and when pressed and held for five seconds, the unit enters Auto mode. If in
Auto mode, pressing once will return the unit to Manual mode.

Navigation Buttons

These buttons are used to navigate and interact with the Power Zone™ controller screens. Pressing any directional
arrow (▲, ►, ▼, ◄) while on any of the operator screens will open the maintenance screens, and navigate the tabs
and pages within the maintenance screens. The Enter () button is used to select menus, confirm alarms, and
confirm altered settings.

Control Power Switch

Use this switch to start up and shut down the Power Zone™ controller. This switch should not be turned off when
the unit is running.

Engine Start

Pressing the Engine Start (I) button while the controller is in Manual mode will start the unit, provided there are no
shutdown errors, and the engine satisfies the start status. If the controller is in Auto mode, the Engine Start (I) button
has no effect.

Engine Stop/Reset

Pressing the Engine Stop/Reset (O) button will shut down the unit and put the controller into Stop mode, whether in
Manual mode or Auto mode.
In case of an emergency, always press the emergency stop switch located on the side of
the unit to stop the engine immediately. The Engine Stop/Reset (O) button may delay the
To prevent damage to the generator and connected equipment, remove all loads from the
generator by opening all circuit breakers (turn OFF (O)) before pressing the Engine Stop/

The Liquid Crystal Display (LCD)

This window will display the various operator and maintenance screens. By viewing these screens, the operator will
be able to monitor both the engine and generator status while the unit is running.

OPERATOR SCREENS

The operator screens display the most relevant and critical information an operator will need to properly configure
and utilize a unit. From these four screens, the operator can access engine, generator and power transmission
information necessary to operate the unit under normal conditions.

Home Screen

The Home screen is the default screen of the controller and will display after the controller is powered up and the
14
CAUTION
engine shutdown if stop faults exist.
Reset (O) button.
MMG130DI4/175DI4/205DI4 Operating Manual
33722 D

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This manual is also suitable for:

Magnum mmg130di4Magnum mmg175di4Magnum mmg205di4

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