73666 Mercruiser GASKET, ROCKER COVER

Illustration 1 g06059954
(1) Status bar
(2) Main screen
(3) Soft keysThe DCU screen has three sections.Status Bar (1) - The status bar is present on all screens. The status bar displays engine state, alarm status, and icons.Main Screen (2) - The main screen uses instrument pages to show various types of gauges and widgets to show information. There can be more than one instrument page.Soft Keys (3) - Depending on the screen currently displayed, the section at the bottom may show several soft keys. The function of the keys changes based on the screen selection.Status Bar (1)
Illustration 2 g06082609
(1A) Engine state
(1B) Alarm status
(1C) IconsEngine States (1A)
The following is a list of the engine state texts that appear in the status bar (1).Ready - Ready to start.Starting Denied - A shutdown event is active. See the alarm list.Start Disabled - Something is preventing start such as the "Start Disabled" switch or a "Ready to Start Condition". See the "Start Conditions Screen" under "Troubleshooting".Shutdown Stopping - A shutdown event has occurred and the engine is stopping.Shutdown Stopped - A shutdown event has occurred and the engine has stopped.Initial Start Delay - The DCU is verifying that all starting conditions are satisfied.Prelube Manual - The DCU has received a start command from the local operator or the remote panel. The DCU is now prelubing the engine.Prelube Automatic - The DCU has received an automatic start command. The DCU is now prelubing the engine.Cranking Manual - The DCU has received a start command from the local operator or the remote panel. The DCU is now starting the engine.Cranking Automatic - The DCU has received an automatic start command. The DCU is now starting the engine.Running - The engine is running normally.Safety Running - The DCU has no speed information. The last known state of the engine was "Running" and the DCU has not received a stop command.Delayed Stop - The engine has received an automatic stop command is waiting for the "Automatic Stop Delay" to expire. The "Automatic Stop Delay" allows the PMS or Switchgear to disconnect breakers.Cooling - The engine is cooling down.Normal Stopping - The engine is stopping normally.Safety Stopping - The DCU has no speed information. The last known state of the engine was "Running" and the DCU has received a stop command. The engine will remain in "Safety Stopping" mode until the "Safety Stopping Timer" has elapsed.Stopped - The engine has stopped normally.Alarm Status (1B)
The following alarm statuses are displayed in the status bar (1).
Table 1
Alarm Statuses
Status bar color Description
Red Flashing Shutdown or alarm in alarm list unacknowledged
Steady Shutdown or alarm in alarm list
Yellow Flashing Warning in alarm list, unacknowledged
Steady Warning in alarm list
White Flashing Diagnostic in alarm list, unacknowledged
Steady Diagnostic in alarm list
Gray No issues Icons (1C)
Illustration 3 g06060018
(4) Fuel Mode
(5) Maintenance
(6) Alarm Mode
(7) Running Mode
(8) Status or GearThe following is a list of the icons shown in the status bar (1).
Illustration 4 g06064379
Fuel mode icons
(4A) Diesel Requested, Diesel Active
(4B) Gas Requested, Gas Active
(4C) Diesel Requested, Gas Active
(4D) Gas Requested, Diesel Active
(4E) Fuel Unknown
Illustration 5 g06064403
Maintenance icon
(5A) Maintenance Required
Illustration 6 g06064399
Alarm mode icons
(6A) Derate Active
(6B) Shutdown Active
(6C) Shutdown Override Active
Illustration 7 g06064384
Running mode icons
(7A) Automatic
(7B) Emergency
(7C) Harbor
(7D) Local
(7E) Manual
(7F) Not Applicable