Troubleshooting

Table 11-2Status alarms and remedies continued

Alarm

ProLink II

 

 

code

message

Cause

Suggested remedy

 

 

 

 

A009

Transmitter

Transmitter in power-up

• Allow the flowmeter to warm up (approximately 30

 

Initializing/Warming

mode

seconds). The error should disappear once the flowmeter

 

Up

 

is ready for normal operation.

 

 

 

• If alarm does not clear, make sure that the sensor is

 

 

 

completely full or completely empty.

 

 

 

• Check the sensor circuitry. See Section 11.20.

 

 

 

 

A010

Calibration Failure

Mechanical zero: The

• If alarm appears during a transmitter zero, ensure that

 

 

resulting zero was greater

there is no flow through the sensor, then retry.

 

 

than 3 μs.

• Cycle power to the flowmeter, then retry.

 

 

Temperature/Density Cals:

• If appropriate, restore the factory zero to return the

 

 

many possible causes.

flowmeter to operation.

 

 

 

 

A011

Zero Too Low

See A10

• Ensure that there is no flow through the sensor, then retry.

 

 

 

• Cycle power to the flowmeter, then retry.

 

 

 

• If appropriate, restore the factory zero to return the

 

 

 

flowmeter to operation.

 

 

 

 

A012

Zero Too High

See A10

• Ensure that there is no flow through the sensor, then retry.

 

 

 

• Cycle power to the flowmeter, then retry.

 

 

 

• If appropriate, restore the factory zero to return the

 

 

 

flowmeter to operation.

 

 

 

 

A013

Zero Too Noisy

See A10

• Remove or reduce sources of electromechanical noise,

 

 

 

then retry. Sources of noise include:

 

 

 

- Mechanical pumps

 

 

 

- Pipe stress at sensor

 

 

 

- Electrical interference

 

 

 

- Vibration effects from nearby machinery

 

 

 

• Cycle power to the flowmeter, then retry.

 

 

 

• If appropriate, restore the factory zero to return the

 

 

 

flowmeter to operation.

 

 

 

 

A014

Transmitter Failed

Many possible causes

• Cycle power to the flowmeter.

 

 

 

• The transmitter might need service. Contact Micro Motion.

 

 

 

See Section 11.3.

 

 

 

 

A016

Line RTD

The value computed for

• Check the sensor RTD circuitry. See Section 11.20.

 

Temperature

the resistance of the Line

• Verify that process temperature is within range of sensor

 

Out-Of-Range

RTD is outside limits

and transmitter.

 

 

 

• If the problem persists, contact Micro Motion. See

 

 

 

Section 11.3.

 

 

 

 

A017

Meter RTD

The value computed for

• Check the sensor RTD circuitry. See Section 11.20.

 

Temperature

the resistance of the

• Verify that process temperature is within range of sensor

 

Out-of-Range

Meter/Case RTD is

and transmitter.

 

 

outside limits

• Check the characterization. Specifically, verify the FCF

 

 

 

and K1 values. See Section 6.2.

 

 

 

• If the problem persists, contact Micro Motion. See

 

 

 

Section 11.3.

 

 

 

 

A020

Calibration Factors

The flow calibration factor

• Check the characterization. Specifically, verify the FCF

 

Unentered

and/or K1 has not been

and K1 values. See Section 6.2.

 

(FlowCal)

entered since the last

• If the problem persists, contact Micro Motion. See

 

 

master reset

Section 11.3.

 

 

 

 

A021

Incorrect Sensor

The sensor is recognized

• Check the characterization. Specifically, verify the FCF

 

Type (K1)

as a straight tube but the

and K1 values. See Section 6.2.

 

 

K1 value indicates a

• Check the sensor RTD circuitry. See Section 11.20.

 

 

curved tube, or vice versa

• If the problem persists, contact Micro Motion. See

 

 

 

Section 11.3.

 

 

 

 

A029

PIC/Daughterboard

Transmitter electronics

• Cycle power to the flowmeter.

 

Communication

failure

• Contact Micro Motion. See Section 11.3.

 

Failure

 

 

 

 

 

 

Compensation

Measurement Performance

Troubleshooting

Defaults

Configuration and Use Manual

117

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Image 125
Emerson Process Management 2400S manual A012 Zero Too High See A10