Product Manual
Table Of Contents
- Table of Contents
- Safety
- General Information
- Specifications
- Unit Serial Number Locations
- Component Locations
- Control Panel
- Power Zone⢠Gen Controller
- Controller Features and Functions
- Operator Screens
- Alarm Mute
- Auto/Manual Mode
- Navigation Buttons
- Control Power Switch
- Engine Start
- Engine Stop/Reset
- The Liquid Crystal Display (LCD)
- Operator Screens
- Home Screen
- Engine Screen
- Generator Screen
- Voltage Adjust Screen
- Maintenance Screens
- Generator Summary
- Engine Tab
- Generator Tab
- Alarms Tab
- Input/Output Tab
- Schedule Tab
- Status Tab
- Generator Monitoring
- Engine Monitoring
- Controller Information Displays, Functions and Reset
- Belt Tensioners
- Operation
- Prestart Checklist
- Manual Starting of the Unit
- Auto (Remote) Starting of the Unit
- Derating for Altitude
- Generator Output Connection Lugs
- Fine Voltage Adjustment
- Voltage Selector Switch
- Voltage Regulation
- Customer Convenience Receptacles
- Main Circuit Breaker
- Exhaust Filter Cleaning Operations
- Transfer Switch
- Auto Exercise Timer
- Shutting Down the Unit
- Emergency Stop Switch
- Idle Switch (MMG25I-45I only)
- Towing the Unit
- Lifting the Unit
- Maintenance
- Emissions Information
- Daily Walk Around Inspection
- General Maintenance
- Basic Maintenance Schedule - Isuzu Engine
- Basic Maintenance Schedule - John Deere Engine
- Isuzu Engine Break-In Requirements
- John Deere Engine Break-In Requirements
- Resetting the Maintenance Alarms
- Checking Generator Drive Plate Torque
- Jack Maintenance
- Trailer Wheel Bearings
- Troubleshooting
- Wiring Diagrams
- AC Wiring - MMG25IF4, MMG45IF4
- AC Wiring - MMG35DF4, MMG55DF4
- AC Wiring - 4 Pos. Voltage Selector Switch Option - MMG25IF4, MMG45IF4
- AC Wiring - 4 Pos. Voltage Selector Switch Option - MMG35DF4, MMG55DF4
- AC Wiring Option - Standard Receptacles
- AC Wiring Option - Engine Heater
- AC Wiring Option - Buck Transformer
- AC Wiring Option - PMG
- DC Wiring
- Trailer Lights Wiring
- Wiring Harness - Electric Brake Option
- DC Wiring Option - 12V Battery Charger
- DC Wiring Option - Low Oil Level
- Options & Accessories
General Information
36949 B MMG25I-35D-45I-55DF4 Operating Manual 19
Figure 2-13. Generator Tab Screen
Alarms Tab
The Alarms tab displays warnings, electrical trip and shutdown alarms, and any engine Diagnostic Trouble Codes
(DTC) that are occurring or have occurred previously. The first page on the Alarms tab displays the alarms that are
currently active. They are organized by alarm type.
Figure 2-14. Alarms Tab Screen (First Page)
The second page of the Alarms tab shows the event log with a list of events, including normal operation events and
alarm notifications with the most recent events at the top of the list. All indexed events include the date and time of
the event, hours of runtime on the engine when it occurred, along with the event name or alarm type and details.
Table 1: Possible Alarm Types
Alarm Type
Color -
Background/Text
Graphic
Warning Yellow/Black
Electrical Trip Purple/Black
Shutdown Red/Black
ECU Code Blue/White
00399
GEN
V
+
-
SITE GENSET 7741 \ 7740
07:10
480V/277V 3-Phase
Return Delay 10:00:00
0.0 Hz
Total Generator
kWh+
kVAh
kVArh
kW
kVA
kVAr
pf
0.0
0.0
0.0
0.0
0.0
0.0
0.00
0.0
%
%
0.0
kW
kVAr
StatusScheduleI/OAlarmsEngine Generator
1/9
L1-L2
L2-L3
L3-L1
L1
L2
L3
IE
Volt Volt Amp kW kVA kVAr pf
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0
0
0
0
00
0
0
0
0
L1-L2 L2-L3 L3-L1 Hz
FreqVoltVoltVolt
0
100
200
300
400
500
600
0
100
200
300
400
500
600 0
100
200
300
400
500
600 0
10
20
30 40
50
60
70
00400
GEN
V
+
-
SITE GENSET 7741 \ 7740
07:10
480V/277V 3-Phase
Return Delay 10:00:00
0.0 Hz
Total Generator
kWh+
kVAh
kVArh
kW
kVA
kVAr
pf
0.0
0.0
0.0
0.0
0.0
0.0
0.00
0.0
%
%
0.0
kW
kVAr
StatusScheduleI/OAlarmsEngine Generator
1/2
Warning Shutdown Electrical Trip
Engine
Warning
Electrical Trip
Shutdown
Engine










