Emerson Micro Motion 2500, Configuration And Use Manual

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12.1 Status LED states
The status LED on the transmitter indicates whether or not alerts are active. If alerts are
active, view the alert list to identify the alerts, then take appropriate action to correct the
alert condition.
Status LED states Table 12-1:
LED state Alarm condition Description
Solid green No alarm Normal operation
Flashing yellow No alarm • Zero calibration procedure is in progress
• Loop test is in progress
Solid yellow Low-severity alarm Alarm condition that will not cause measure-
ment error (outputs continue to report proc-
ess data)
Solid red High-severity alarm Alarm condition that will cause measurement
error (outputs in fault)
12.2 Status alerts, causes, and recommendations
Alert num-
ber
Alert title Possible cause Recommended actions
A001 EEPROM Error The core processor has experienced
a memory error. • Cycle power to the meter.
• Replace the core processor.
• Contact customer support.
A002 RAM Error The core processor has experienced
a memory error. • Cycle power to the meter.
• Replace the core processor.
• Contact customer support.
A003 No Sensor Response The transmitter is not receiving one
or more basic electrical signals from
the sensor.
This alert often occurs in conjunc-
tion with Alert 102.
• Check the drive gain and the pickoff
voltage.
• Check the wiring between the sensor
and the transmitter.
• Verify that internal wiring is secure and
that there are no internal electrical
problems.
• Check the integrity of the sensor tubes.
• Perform sensor coil resistance checks.
Troubleshooting
162 Micro Motion Model 2500 Transmitters with Configurable Input/Outputs