Troubleshooting
Proline Promag 51
70
Hauser
9.4
Process errors without messages
Symptoms
Rectification
Remarks: You may have to change or correct certain settings in functions in the function matrix in order to rectify the fault.
!
Note!
For certified devices subject to legal metrological control, faults can only be corrected by breaking the lead seal or protection sticker. Contact your Hauser
representative to repair the device.
Flow values are negative, even though
the fluid is flowing forwards through
the pipe.
1.
Remote version:
– Switch off the power supply and check the wiring
– If necessary, reverse the connections at terminals 41 and 42
2.
Change the setting in the "INSTALLATION DIRECTION SENSOR" function accordingly.
Measured value reading fluctuates even
though flow is steady.
1.
Check grounding and potential equalization
2.
Check the fluid for presence of gas bubbles.
3.
In the "SYSTEM DAMPING" function
increase the value.
Measured value reading shown on
display, even though the fluid is at a
standstill and the measuring tube is full.
1.
Check grounding and potential equalization
2.
Check the fluid for presence of gas bubbles.
3.
Activate the "LOW FLOW CUTOFF" function, i.e. enter or increase the value for the switching point.
(Not possible in
custody transfer mode
)
Measured value reading on display,
even though measuring tube is empty.
1.
Perform empty-pipe/full-pipe adjustment and then switch on Empty Pipe detection
2.
Remote version: Check the terminals of the EPD cable
3.
Fill the measuring tube.
The current output signal is always
4 mA, irrespective of the flow signal at
any given time.
1.
Select the "BUS ADDRESS" function and change the setting to "0".
2.
Value for creepage too high. Reduce the value in the "LOW FLOW CUTOFF" function.
(Not possible in
custody transfer mode
)
The fault cannot be rectified or some
other fault not described above has
arisen.
In these instances, please contact your
Hauser service organization.
The following options are available for tackling problems of this nature:
Request the services of an Hauser service technician
If you contact our service organization to have a service technician sent out, please be ready to quote the following
information:
– Brief description of the fault
– Nameplate specifications (
7): order code, serial number
Returning devices to Hauser
The necessary procedures must be carried out before you return a flowmeter requiring repair or calibration to
Hauser (
Always enclose a duly completed "Declaration of Conformity" form with the flowmeter. You will find a preprinted form at
the back of this manual.
Replace transmitter electronics
Components in the measuring electronics defective
order spare parts
62.
