Rosemount 8732

Reference Manual

00809-0100-4663, Rev BA January 2010

Table 6-2. Rosemount 8732 Advanced Diagnostic Messages (Suite 1 - Option Code D01)

Message

Potential Cause

Corrective Action

 

 

 

Grounding/Wiring Fault

Improper installation of wiring

See “Sensor Connections” on page 2-11

 

Coil/Electrode shield not

See “Sensor Connections” on page 2-11

 

connected

 

 

Improper process grounding

See “Grounding” on page 5-12

 

Faulty ground connection

Check wiring for corrosion, moisture in the terminal block, and refer to

 

 

“Grounding” on page 5-12

 

Sensor not full

Verify sensor is full and empty pipe diagnostic is on

High Process Noise

Slurry flows - mining/pulp stock

Decrease the flow rate below 10 ft/s (3 m/s)

 

 

Complete the possible solutions listed under “Step 2: Process Noise” on

 

 

page 6-7

 

Chemical additives upstream of the

Move injection point downstream of the sensor, or move the sensor

 

sensor

Complete the possible solutions listed under “Step 2: Process Noise” on

 

 

page 6-7

 

Electrode not compatible with the

Refer to the Rosemount Magnetic Flowmeter Material Selection Guide

 

process fluid

(00816-0100-3033)

 

Air in line

Move the sensor to another location in the process line to ensure that it is

 

 

full under all conditions

 

Electrode coating

Use bulletnose electrodes

 

 

Downsize sensor to increases flowrate above 3 ft/s (1 m/s)

 

 

Periodically clean sensor

 

Styrofoam or other insulating

Complete the possible solutions listed under “Step 2: Process Noise” on

 

particles

page 6-7

 

 

Consult factory

 

Low conductivity fluids

Trim electrode and coil wires - refer to “Installation” on page 2-1

 

(below 10 microsiemens/cm)

 

Table 6-3. Rosemount 8732 Advanced Diagnostic Messages (Suite 2 - Option Code D02)

Message

Potential Cause

Corrective Action

 

Transmitter Calibration Verification

Verify pass/fail criteria

 

test failed

Rerun 8714i Meter Verification under no flow conditions

 

 

Verify calibration using 8714D Calibration Standard

 

 

Perform digital trim

 

 

Replace electronics board

8714i Failed

Sensor Calibration test failed

Verify pass/fail criteria

 

 

Perform sensor test - see Table 6-5 on page 6-8

 

Sensor Coil Circuit test failed

Verify pass/fail criteria

 

 

Perform sensor test - see Table 6-5 on page 6-8

 

Sensor Electrode Circuit test failed

Verify pass/fail criteria

 

 

Perform sensor test - see Table 6-5 on page 6-8

6-4

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Emerson Process Management 8732 manual High Process Noise