VAF instruments OILCON MARK 6M - 15.5 GPS PROBLEMS

97
15.4.6 Flow overrange failure
Probable causes Action
1
Overboard discharge flowrate to
high.

Check the overboard discharge flowrate and reduce if
necessary.
2
Flowmeter not functioning
correct.

Check the connections of the related flowmeter.
 Check the calibration of the related flowmeter.
 Also consult section 15.12
15.4.7 Flow underrange failure
Probable causes Action
1
Flowmeter not functioning
correct

Check the connections of the related flowmeter.
 Check the calibration of the related flowmeter.
Also consult section 15.12
15.4.8 Overboard arrangement failure
Probable causes Action
1
No power supply

Check the power supply to the overboard valve
actuator.
 Check the signal connections between the MCU and
the valve actuator.
 No air supply.
 Check the air supply to the overboard valve actuator.
 Check the signal connections between the MCU and
the valve actuator.
2
No air supply

Check the air supply to the overboard valve actuator.
 Check the signal connections between the MCU and
the valve actuator.
 Feedback switch failure.
 Check the functioning of the feedback switch.
 Check the connections between the MCU and the
feedback switch.
3
Feedback switch failure

Check the functioning of the feedback switch.
 Check the connections between the MCU and the
feedback switch.
 Overboard valve failure.
 Check functioning of the overboard valve.
4
Overboard valve failure

Check functioning of the overboard valve.