Troubleshooting Incorrect Level Readings - Emerson Rosemount 1408A Reference Manual

Service and troubleshooting
May 2021
7.3

Troubleshooting incorrect level readings

7.3.1 Reported level is too high or low
Figure 7-1: Symptom
A. Level
B. Time
C. Actual level
D. Reported level
Possible cause
Incorrect tank geometry configuration.
Recommended actions
•
•
•
Related information
Reference height
Analyze the echo peaks
Adjust the general threshold
Restore to factory settings
48
A
C
D
Verify the tank geometry parameters are configured correctly (especially the
Reference Height).
Analyze the Echo Peaks and check General Threshold.
Restore default settings and reconfigure the device.
B
Rosemount 1408A Level and Flow Transmitter
Reference Manual
00809-0200-4480