Commissioning and operation
34
The following codes are distinguished:
Warnings:
without code
Warnings (preliminary alarms): WA
Main alarms:
AL
Sensor error alarms:
SE
Example:
Message text
Code
Time
A1
Coolant temperature:
WA
14:14
Charge-air temperature
SE
13:57
Coolant level
11:00
Engine oil pressure
AL
08:37
Bilge pump ON
Programmed ship-specific warning
If there are more than 5 alarms (e.g. during commissioning in the shipyard), the alarms
can be displayed in groups of five (A2 to An) by pressing the “
ALARMS
” key again.
Alle All alarms are always displayed in reverse order of their occurrence. The alarm gen-
erated last is therefore located in the first line of the alarm screen. As long as at least one
alarm is active, the red “
Alarm
” to the right of the display lights up.
Alarms
If an engine alarm from the central unit MMDS or an alarm configured by the user is is-
sued, the built-in buzzer is activated and the LED “Alarm” flashes. At the same time, the
monitor switches automatically to the alarm screen. The new alarm is entered in the first
line as a flashing message.
The alarms that would be issued if the engine is stopped but the engine ignition is on
(e.g. lack of oil pressure) are suppressed (disabled) until the green LED “Engine run”
lights up. This occurs approx. 8 seconds after ignition engine speed has been reached.
When the acoustic acknowledgement (Horn Quit key) has been pressed, the integrated
buzzer switches off. With the visual acknowledgement (Visual Quit key), the flashing text
and the LED “Alarm” switches to continuous display. When the fault has been remedied,
the alarm text disappears from the monitor. The LED “Alarm” goes out unless another
alarm has been issued.
The “RESET” button must also be pressed in the event of alarms which have re-
sulted in automatic engine shutdown or slowdown by the MMDS central unit. This
function is enabled for a shutdown alarm only when the engine is at a standstill
and for a shutdown alarm below a speed of 800 rpm.
Horn test
If the “Clear horn” key is pressed for approx. 5 seconds, the built-in buzzer sounds.
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