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7.6.4 Alarms menu
At the top of the screen you will find a key representing the internal alarm functions. In case the PEM4 +
SPU3 system detects an alarm the
Alarm key
becomes red. An Alarm Message will appear on the
Alarm
Screen
.
In the
Signals (raw) submenu
you will notice that the output values from the faulty sensor are changed
to “0” and are colored red. When the alarm condition has been eliminated the alarm will no longer be
active and the
Alarm key
will turn to normal again. The following alarms might appear:
Alarm
Possible cause
Flowmeter 1-12, pulse sensor fail
Faulty sensor or connection/cable between SPU and meter
Flowmeter 1-12, temp sensor fail
Faulty sensor or connection/cable between SPU and meter
Flowmeter 1-12, temp high
Temperature high set point override
T-Sense 1-2, communication fail
Modbus connection/cable between SPU and control box is
broken or wrongly connected.
Remark: First try to swap the 2 NMEA signal wires.
GPS/ship speed, communication fail Connection/cable between SPU and sensor is broken or
wrongly connected.
Remark: First try to swap the 2 NMEA signal wires.
Shaft Gen. 1-2, sensor fail
Connection/cable or 4
–20 mA analogue output is faulty
Shaft Gen. 1-2, communication fail
Cable connection is OK, but IO-module in SPU3 is faulty
Touch the
Accept button
in order to accept the internal alarms. After ticking the
alarm log key
all
alarms will be listed and can be scrolled vertically.
Figure 44
–
Current Alarms screen
Figure 45
–
Alarms log screen