Emerson Rosemount 644 Reference Manual page 103

Reference Manual
00809-0200-4728
Invalid configuration
CONFG SNSR 1 WARN ERROR
Potential cause
The sensor configuration (type and/or connection) does not match the sensor output and
is invalid.
Recommended actions
Field device malfunction
ALARM DEVICE ALARM FAIL
Potential cause
The device has malfunctioned or needs immediate attention.
Recommended actions
6.4.2 Warning status
Hot Backup
HOT BU SNSR 1 HOT BU FAIL
Potential cause
Sensor 1 has failed (open or shorted) and Sensor 2 is now the primary process variable
output.
Recommended actions
Emerson.com/Rosemount
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.
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.
™
active
1. Replace Sensor 1 at you earliest convenience.
2. Reset Hot Backup feature in the device software.
Troubleshooting
March 2021
103