Troubleshooting (Diagnostics) - MQ Power WHISPERWATT DCA600SSV4F3 Operation Manual

FAULT DIAGNOSTICS
The engine controller of this generator diagnoses problems
(faults/errors) 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 101) located on the
control panel.
HOUR CHECK
BUTTON
Figure 101. Hour Check Button
2. While keeping the Hour Check button pressed,
place the Auto Start/Stop switch (Figure 102) in the
MANUAL position.
AUTO
OFF/RESET
Figure 102. Auto Start/Stop Switch (Manual)
3. The Hour Check menu screen will be displayed on
the ECU controller.
4. Release the Hour Check button and push the
Program/Exit button on the ECU controller to return
the controller to the main screen.
DCA600SSV4F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (11/15/22) — PAGE 63

TROUBLESHOOTING (DIAGNOSTICS)

MANUAL
5. Push the Program/Exit button on the ECU controller
and select Fault Diagnostics mode. This mode
enables fault diagnostics as follows:
„ 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 performing diagnostic tests, place the
Auto Start/Stop switch in the OFF/RESET position.