VAF instruments OILCON MARK 6M - 15.3 CALIBRATION ALARMS

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15.3 CALIBRATION ALARMS
15.3.1 Zero error alarm
Probable causes Action
1
Sample pump cavitating

Check the pressure gauge settings on the Skid
Assembly.
For correct settings see section 15.11.2
2
Flushing water contaminated

Check flushing water for oil, dirt or of it contains air.
 Check the fresh water tank, if installed.
 Drain the fresh water tank and refill the tank, if
necessary.
3
Excessive oil left in monitor

Check the sample outlet of the monitor.
Flush the monitor again till the “Zero Error” alarms
clears.
It is advisable to let the monitor complete the flush cycle
each time. This will give the maximum amount of
flushing.
4
Transmitter error

Check the cables from the measurement cell to the
junction box on the skid.
 Check the cables from the junction box on the skid to
the EPU terminal strip.
If the alarm persists it is likely that the cell is faulty and will
require replacement.
NOTE:
See section 9.1 for the replacement of the measurement cell assembly.