Multiquip Comprehensive Guide to Generator Troubleshooting and Fault Codes List

Figure 69. Hour Check Button

Troubleshooting Diagnostics

The engine controller of this generator diagnoses problems		5. Push the Program/Exit Button on the ECU controller
that arise from the engine control system and the engine		and select the Fault Diagnostics mode. This mode
itself.		enables the ability to carry out the fault diagnostics
1. With the engine stopped (OFF). Push and hold the		as listed below:
Hour Check Button (Figure 69) located on the control		„„DM1 Active Faults — Displays active fault messages
panel.	HOUR CHECK	and codes.
		„„DM2 Messages and Codes — Displays messages and
	BUTTON
		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

2.While keeping the Hour Check Button pressed, place the Auto Off/Reset Manual Switch (Figure 70) in the MANUAL position.

Figure 70. Auto-Off/Reset Switch

(Manual Position)

3.The Hour Check Menu Screen will be displayed on the ECU controller.

4.Releasing the Hour Check Button and pushing the Program/Exit Button on the ECU controller will return the controller to the main screen.

page 50 — dca220sscu/4i 60 hz generator • operation and Parts manual — rev. #0 (10/25/12)