LW2120
Electronic level sensor
28
8 Troubleshooting
8.1 Troubleshooting incorrect level readings
8.1.1 Level too high / too low
A
B
C
D
A:
level
B:
time
C:
actual level
D:
measured level
Possible cause:
•
Incorrect tank geometry configuration.
Recommended actions:
•
Verify the tank geometry parameters are configured correctly, especially the reference height.
•
Analyse the echo peaks and check the detection threshold.
•
Restore default settings and reconfigure the device.
8.1.2 Measured value is stuck
Measured value gets stuck with decreasing level and in measuring range:
A
B
C
D
A:
level
B:
time
C:
actual level
D:
measured level
