Emerson 9739 Manuel D’Utilisation
Status LED states
Table 10-1:
LED behavior
Alarm condition
Description
Solid green
No alarm
Normal operation
Flashing yellow
No alarm
Zero calibration procedure is in progress
Solid yellow
Low-severity alarm
Alarm condition that will not cause measure-
ment error (outputs continue to report proc-
ess data)
ment error (outputs continue to report proc-
ess data)
Solid red
High-severity alarm
Alarm condition that will cause measurement
error (outputs in fault)
error (outputs in fault)
10.2
Status alarms
Status alarms and recommended actions
Table 10-2:
Alarm code
Description
Cause
Recommended actions
A001
EEPROM Error (Core
Processor)
Processor)
An uncorrectable
checksum mismatch
has been detected.
checksum mismatch
has been detected.
•
Cycle power to the meter.
•
Contact Micro Motion.
A002
RAM Error (Core Pro-
cessor)
cessor)
ROM checksum error or
a RAM location cannot
be written to.
a RAM location cannot
be written to.
•
Cycle power to the meter.
•
Contact Micro Motion.
A003
No Sensor Response
Continuity failure of
drive circuit, LPO, or
RPO, or LPO-RPO mis-
match when driving.
drive circuit, LPO, or
RPO, or LPO-RPO mis-
match when driving.
•
Check the drive gain and the pickoff voltage.
See
See
•
Check the wiring between the sensor and
transmitter. See
transmitter. See
.
•
.
•
Check the integrity of the sensor tubes.
A004
Temperature Over-
range
range
Combination of A016
and A017.
and A017.
•
Check the sensor wiring. See
.
•
Check the wiring between the sensor and
transmitter. See
transmitter. See
.
•
Verify temperature characterization parame-
ters (Temp Cal Factor).
ters (Temp Cal Factor).
•
Check your process conditions against the val-
ues reported by the flowmeter.
ues reported by the flowmeter.
•
Contact Micro Motion.
Troubleshooting
160
Micro Motion
®
9739 MVD Transmitters