Generac Power Systems MAGNUM MTT20IF4, Operating Manual

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CAUTION
In case of an emergency, always press the emergency stop switch located on the side of
the unit to stop the engine immediately. The Stop/Reset (O) button may delay the engine
shutdown if stop faults exist.
To prevent damage to the generator and connected equipment, remove all loads from the
generator by opening all circuit breakers (turn to the OFF (O) position) before pressing the
Stop/Reset (O) button.
STOP/RESET MODE LED
This LED will be lit when the unit is in Stop mode and will flash when an Electrical Trip and Shutdown Fault has occurred.
MENU NAVIGATION
These buttons ( ↑ , ↓ ) are used to navigate through the different operator screens.
OPERATOR SCREENS
The information displayed on the operator screens can be used to identify, diagnose and troubleshoot unit shutdown
conditions and poor unit performance.
To enter the navigation menu, use the following procedure:
1. Press both the ↑ and ↓ buttons simultaneously.
2. To select the required icon, press the ↑ button to cycle right and the ↓ button to cycle left until the desired operator
screen section is reached.
3. Once the desired icon is at the top, press the Auto button to enter that operator screen section.
Note: If the Auto button is not pressed after 5 minutes of inactivity, the display automatically returns to the Home icon.
Icon Description
Home and generator voltage and frequency operator screens
Generator current and load operator screens
Engine screens
Controller screens
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