VAF instruments OILCON MARK 6M, Technical Manual

Page: 107 / 175

106
15.12.3 Incorrect output
Probable causes Action
1
Transmitter connections.

Check the power supply voltage

Check for intermittent short circuits, open circuits and
grounding problems.
2
Noise measurement fluid.

Adjust damping.
3
Pressure tap.

Check for gas in the liquid lines.

Check the integrity of the circuit by replacing it with a
spare one.
4
Calibration. 
Check the calibration of the dP transmitter.
15.13 FAULT FINDING FORM
In case the fault finding guide does not result in a proper working of the system, the fault finding
form can be used. This form should be filled in and returned to VAF Instruments Service
department. The form is included in this technical manual 641.