Trouble-shooting
Error
Output
A warning or alarm
Depending on the configuration
has occurred.
Measured value
(00) is incorrect
No change off
measured value on
filling/emptying
E 641 (loss of
If the instrument is configured to Hold by loss of
echo) after turn on
echo the output is set to any value/current.
the power supply
80
9.3
Application errors
100%
F m/ft
expected
actual
E m/ft
0%
L00-FMP4xxxx-19-00-00-en-032
100%
actual
expected
0%
L00-FMP4xxxx-19-00-00-en-033
Levelflex M FMP41C with FOUNDATION Fieldbus
Possible cause
See table of
error messages
(→ ä 78)
Measured distance
(008) OK?
t →
→
↓
no
An interference echo
may have been
evaluated.
Interference echo from
installations, nozzle
or extension on the
probe
t →
noise level during the
initialisation phase to
high.
Remedy
1. See table of error messages
(→ ä 78)
→
yes
1. Check empty calibr. (005) and
full calibr. (006)
2. Check linearisation:
→
level/ullage (040)
→
max. scale (046)
→
diameter vessel (047)
→
Check table
→
yes
1. Carry out tank mapping
→
basic setup
1. Carry out tank mapping
→
basic setup
2. If necessary, clean probe
3. If necessary, select better
mounting position
Repeat once more empty calibr.
(005).
Caution!
Before conformation change with
S
or
to the edit mode.
Endress + Hauser
O
Need help?
Do you have a question about the Fieldbus Levelflex M FMP41C and is the answer not in the manual?
Questions and answers