
Levelflex FMP56, FMP57 FOUNDATION Fieldbus
Diagnostics and troubleshooting
Hauser
107
13.1.2 Parametrization errors
Parametrization errors for level measurements
Error
Possible cause
Remedial action
Measured value wrong
If measured distance(Setup
→ Distance) matches the real
distance:
Calibration error
• Check and adjust the
Empty
calibration
necessary.
• Check and adjust the
Full calibration
parameter (→ 138) if necessary.
• Check and adjust linearization if
necessary (
Linearization
submenu
If measured distance (Setup
→ Distance) does not match the real
distance:
An interference echo affects the
measurement.
Perform mapping (
Confirm distance
parameter (→ 140)).
No change of the measured
value when emptying/filling
the tank
An interference echo affects the
measurement.
Perform mapping (
Confirm distance
parameter (→ 140)).
Build-up at the probe.
Clean the probe.
Error in the echo tracking
Deactivate echo tracking (Expert
→ Sensor → Echo tracking → Evaluation
mode =
History off
).
The diagnostic message
Echo lost
appears after
switching on the supply
voltage.
Noise level to high during
initialization phase.
Enter
Empty calibration
parameter
Device displays a level when
the tank is empty.
Incorrect probe length
• Carry out probe length correction
(
Confirm probe length
parameter
• Carry out mapping over entire probe
while the tank is empty (
Confirm
distance
Wrong slope of the level in
the entire measuring range
Wrong bin property selected.
Set
Bin type
correctly.
Содержание Levelflex FMP56
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