Controller Information Displays, Functions, And Reset - Generac Power Systems MAGNUM MMG75D Operating Manual

• HEST Lamp (High Exhaust System Temperature): This area will display the 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 Lamp: This area will display the 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 Inhib: This area will display the Disabled Regeneration indicator above the words "DPF Inhib - Solid"
when auto exhaust filter cleaning is disabled.
• 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.
For more information on the operation of auto exhaust filter regeneration and service regeneration, see
Filter Cleaning Operations.

Controller Information Displays, Functions, and Reset

The Power Zone™ controller constantly monitors vital generator and engine functions for a number of 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.
33701 C
DPF Status
HEST Lamp - Solid
DPF Inhib
6/6 Engine Generator
Figure 6 - Regeneration Underway Indicator
DPF Status
HEST Lamp DPF Lamp - Solid
DPF Inhib Alarm
Engine Generator Alarms Schedule
6/6 I/O
Figure 7 - Regeneration Indicator
DPF Status
HEST Lamp
DPF Inhib - Solid
Engine Generator
6/6
Figure 8 - Disabled Regeneration Indicator
DPF Status
HEST Lamp
DPF Inhib
Engine Generator
6/6
Figure 9 - Engine Alarm Indicator
MMG75D-100D Operating Manual
DPF Lamp
Alarm
Alarms Schedule Status
I/O
00409
DPF Status
HEST Lamp
DPF Inhib
Status Engine Generator Alarms
6/6
DPF Lamp
Alarm
Alarms Schedule Status
I/O
00411
DPF Lamp
Alarm - Solid
Alarms Schedule Status
I/O
00412
General Information
DPF Lamp - Flashing
Alarm
Schedule Status
I/O
00410
Exhaust
19