Emerson Rosemount 5408 Reference Manual page 94

Service and troubleshooting
March 2023
LCD display
message
Cause
The software in the device encountered a problem and stopped running which may cause
an invalid measurement reading.
In some cases, problems may be caused by temporary environmental conditions (e.g.
electromagnetic interferences) and not observed again.
Recommended actions
Related information
Restart the device
Restore to default settings
Configure transmitter using guided setup
7.2.7 Level measurement lost
Category
LCD display
message
Cause
No valid level reading. Reasons may be multiple:
• No valid surface echo peak in the measuring range.
• Incorrect device configuration.
Recommended actions
Related information
Read the echo curve
Amplitude threshold
Measurement recovery time
Restart the device
Restore to default settings
Configure transmitter using guided setup
94
SW
FAILUR
1. Restart the device.
2. Restore default settings and reconfigure the device.
3. If the condition persists, replace the device.
Failure
MEAS
FAILUR
1. Analyze the Echo Curve at time of loss for reason and check device
configuration, especially thresholds.
2. Check device physical installation (for instance antenna contamination).
3. Consider increasing Measurement Recovery Time parameter for intermittent
conditions.
4. Restart the device.
5. Restore default settings and reconfigure the device.
6. If the condition persists, replace the device.
Reference Manual
00809-0100-4408
Reference Manual