Endress+Hauser Fieldbus Levelflex M FMP43 Operating Instructions Manual page 85

Levelflex M FMP43 with FOUNDATION Fieldbus
Device displays a
level when the
tank is empty.
Measured value
incorrect (slope
error in the entire
measuring range)
Endress+Hauser
100%
actual
expected
t →
0%
L00-FMP4xxxx-19-00-00-en-020
100%
expected
2.) actual
1.) actual
t →
0%
L00-FMP4xxxx-19-00-00-en-021
Incorrect probe length
Tank properties
incorrect.
Medium properties
incorrect.
Troubleshooting
1. Carry out automatic probe length
detection when the tank is
empty.
2. Carry out mapping over entire
probe when the tank is empty
(probe free!).
LN < 4 m and "Aluminum tank" tank
properties selected
→
Calibration not possible.
→
Selection
→
Select standard
→
Thresholds too high
Select lower medium properties.
85