73
Reference Manual
00809-0100-4728, Rev MB
July 2016
6.4
Diagnostic messages
Listed in the below sections are detailed tables of the possible messages that will appear on either the
LOI/LCD display, a Field Communicator, or an AMS system. Use the tables below to diagnose particular
status messages (i.e. Failed, Maintenance, Advisory).
6.4.1
Diagnostic messages: Failed–Fix now
Alert name
LCD
display
screen
LOI
screen
Problem
Recommended action
Electronics
Failure
ALARM
DEVICE
.
.
.
ALARM
FAIL
ALARM
DEVICE
.
.
.
ALARM
FAIL
Essential electronics in the device
have failed. For example, the
transmitter may have experienced
an electronics failure while
attempting to store information.
If diagnostics indicate an
electronics failure.
1. Restart the transmitter.
2. If condition persists, replace the transmitter. Contact
the nearest Emerson Process Management Field
Service Center if necessary.
Sensor
Open
(1)
1.
Sensor 1 is used here as an example. If Dual Sensors are ordered, this alert can apply to either sensor.
ALARM
SNSR 1
.
.
ALARM
FAIL
ALARM
SNSR 1
.
.
ALARM
FAIL
This message indicates that the
transmitter has detected an open
sensor condition. The sensor may
be disconnected, connected
improperly, or malfunctioning.
1. Verify the sensor connection and wiring. Refer to the
wiring diagrams found on the transmitter label to
ensure proper wiring.
2. Verify the integrity of the sensor and sensor lead
wires. If the sensor is faulty, repair or replace the
sensor.
Sensor
Short
ALARM
SNSR 1
.
.
ALARM
FAIL
ALARM
SNSR 1
.
.
ALARM
FAIL
This message indicates that the
transmitter has detected a
shorted sensor condition. The
sensor may be disconnected,
connected improperly, or
malfunctioning.
1. Verify the process temperature is within the specified
sensor's range. Use the Sensor Information button to
compare with the process temperature.
2. Verify the sensor is properly wired and connected to
the terminals.
3. Verify the integrity of the sensor and sensor lead
wires. If the sensor is faulty, repair or replace the
sensor.
Terminal
Temperature
Failure
ALARM
TERM
.
.
ALARM
FAIL
ALARM
TERM
.
.
ALARM
FAIL
The Terminal Temperature is
outside the internal RTD’s
specified operating range.
1. Verify the ambient temperature is within the device
specified operating range using the Terminal
Temperature Information Button.
Invalid
Configuration
CONFG
SNSR 1
.
.
WARN
ERROR
CONFG
SNSR 1
.
.
WARN
ERROR
The Sensor Configuration (type
and/or connection) does not
match the sensor output and is
invalid.
1. Verify sensor type and number of wires matched the
Sensor Configuration of the device.
2. Reset the device.
3. If error persists, download the transmitter
configuration.
4. If error still present, replace the transmitter.
Field Device
Malfunction
ALARM
DEVICE
.
.
.
ALARM
FAIL
ALARM
DEVICE
.
.
.
ALARM
FAIL
The device has malfunctioned or
needs immediate attention.
1. Perform a processor reset.
2. View other alerts to see if the transmitter indicates a
specific problem.
3. If the condition persists, replace the device.
Содержание Rosemount 644 HART
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