Controller Information Displays, Functions, And Reset; Belt Tensioners - Generac Power Systems Magnum MMG75D Owner's Manual

areas and the indicators that appear in those areas are
explained here:
• HEST Lamp
Temperature): This
Regeneration Underway indicator above the words
"HEST Lamp - Solid" when the unit is in the
process of diesel exhaust filter regeneration.
During the regeneration process, the exhaust
temperature will be very high.
DPF Status
HEST Lamp - Solid
DPF Inhib
Engine Generator Alarms
6/6
Figure 2-17. Regeneration Underway Indicator
• DPF Lamp: This
Regeneration indicator above the words "DPF
Lamp - Solid" when auto exhaust filter cleaning is
enabled. When the unit is being operated with auto
exhaust filter cleaning disabled, the indicator will
begin to flash above the words "DPF Lamp -
Flashing" if the soot load level goes above 80%.
DPF Status
HEST Lamp DPF Lamp - Solid
DPF Inhib Alarm
Engine Generator Alarms Schedule Status
6/6 I/O
Figure 2-18. Regeneration Indicator
• DPF Inhib: This area will display the Disabled
Regeneration indicator above the words "DPF
Inhib - Solid" when auto exhaust filter cleaning is
disabled.
Owner's Manual for Generator
(High Exhaust System
area will display
DPF Lamp
Alarm
Schedule Status
I/O
area will display
DPF Status
HEST Lamp DPF Lamp - Flashing
DPF Inhib Alarm
Engine Generator Alarms Schedule
6/6 I/O
DPF Status
the
HEST Lamp
DPF Inhib - Solid
Engine Generator
6/6
Figure 2-19. Disabled Regeneration Indicator
•
Alarm: This area will display the Engine Alarm
indicator above the words "Alarm - Solid" when an
alarm condition occurs. This area displays different
text depending upon which alarm condition occurs.
002798
DPF Status
the
HEST Lamp
Engine Generator
6/6
Figure 2-20. Engine Alarm Indicator
For more information on the operation of auto exhaust
filter regeneration
Exhaust Filter Cleaning
Controller Information Displays, Functions, and
Status
Reset
The Power Zone™ controller constantly monitors vital
generator and engine functions for a number of
002799
operation, alarm and fault conditions. When a fault
condition occurs, the engine will shut down automatically
and the main display will show the fault that has caused
the shutdown. To resume operation, the fault condition
must be resolved. To reset the controller and resume
operation, press the Enter () button.

Belt Tensioners

John Deere engines use two types of belt tensioners:
manual and automatic. Adjust the belt using the manual
tensioner according to the manufacturer's specifications.
The automatic tensioner cannot be adjusted or repaired
and is designed to maintain proper tension over the belt's
life. Units with the automatic belt tensioner must be
inspected according to the manufacturer's specifications.
General Information
DPF Lamp
Alarm
Alarms Schedule
I/O
DPF Lamp
DPF Inhib Alarm - Solid
Alarms Schedule
I/O
and service regeneration,
Operations.
Status
002800
Status
002801
see
13