Emerson MICRO MOTION 2700 Instrukcja Instalacji Strona 128

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118 Transmitter Configuration and Use: Series 1000 and 2000 Transmitters
Troubleshooting continued
A5 Input over range Input Overrange Check the test points. See Section 10.24.
Check the sensor coils. See Section 10.26.
Verify process.
Make sure that the appropriate measurement unit is
configured. See Section 10.19.
Verify 4 mA and 20 mA values. See Section 10.20.
Verify calibration factors in transmitter configuration.
See Section 6.2.
Re-zero the transmitter.
A6 Field device not
characterized
Not Configured Check the characterization. Specifically, verify the
FCF and K1 values. See Section 6.2.
If the problem persists, contact Micro Motion. See
Section 10.3.
A7 Real time interrupt
failure
RTI Failure Cycle power to the flowmeter.
The flowmeter might need service. Contact Micro
Motion. See Section 10.3.
A8 Density outside limits Density Overrange Check the test points. See Section 10.24.
Check the sensor coils. See Section 10.26.
Verify process. Check for air in the flow tubes, tubes
not filled, foreign material in tubes, or coating in
tubes.
Verify calibration factors in transmitter configuration.
See Section 6.2.
Perform density calibration. See Section C.3.
A9 Field device warming up Transmitter Initializing Allow the flowmeter to warm up. The error should
disappear once the flowmeter is ready for normal
operation.
If alarm does not clear, make sure that the sensor is
completely full or completely empty. Verify sensor
configuration and wiring to sensor.
A10 Calibration failed Calibration Failure If alarm appears during a transmitter zero, ensure
that there is no flow through the sensor, then retry.
Cycle power to the flowmeter, then retry.
A11 Excess calibration
correction, zero too low
Zero too Low Ensure that there is no flow through the sensor, then
retry.
Cycle power to the flowmeter, then retry.
A12 Excess calibration
correction, zero too high
Zero too High Ensure that there is no flow through the sensor, then
retry.
Cycle power to the flowmeter, then retry.
A13 Process too noisy to
perform auto zero
Zero too Noisy Remove or reduce sources of electromechanical
noise, then attempt the calibration or zero procedure
again.
Sources of noise include:
Mechanical pumps
Pipe stress at sensor
Electrical interference
Vibration effects from nearby machinery
Cycle power to the flowmeter, then retry. See
Section 10.23.
Table 10-5 Status alarms and remedies (continued)
Alarm
code Communicator ProLink II software Possible remedy
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