DCA300SSJU4F2 60 HZ GENERATOR• OPERATION MANUAL — REV. #0 (06/26/18) — PAGE 71
TROUBLESHOOTING (DIAGNOSTICS)
845 ECU SERIES CONTROLLER
The engine controller of this generator diagnoses problems
that arise from the engine control system and the engine
itself.
1. With the engine stopped (
OFF
). Push and hold the
Hour Check Button
(Figure 87) located on the control
panel.
Figure 87. Hour Check Button
2. While keeping the
Hour Check Button
pressed, place
the
Auto Off/Reset
Manual Switch
(Figure 88) in the
MANUAL
position.
Figure 88. Auto-Off/Reset
Switch
(Manual Position)
3. The
Hour Check Menu Screen
will be displayed on
the ECU controller.
HOUR CHECK
BUTTON
4. Releasing the
Hour Check Button
and pushing the
Program/Exit Button
on the ECU controller will return
the controller to the main screen.
Figure 89. Program Exit Button
5. Push the
Program/Exit Button
on the ECU controller
and select the
Fault Diagnostics
mode. This mode
enables the ability to carry out the fault diagnostics
as listed below:
DM1 Active Faults
— Displays active fault messages
and codes.
DM2 Messages and Codes
— Displays messages and
codes which previously occurred that are recorded in the
Engine Control Module (ECM).
Last Shutdown
— Displays the messages and codes
that caused the most recent shutdown.
6. After perfoming diagnostic tests, place the
Auto Off/
Reset
Manual Switch
in the
OFF
position
PROGRAM EXIT
BUTTON
