Application Errors - Endress+Hauser Levelflex M FMP41C Operating Instructions Manual

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
E641 (loss of echo) If the device is configured to Hold by loss of
after turn on the echo the output is set to any value/current.
power supply
78
9.3

Application errors

100%
F m/ft
expected
actual
E m/ft
0%
L00-FMP4xxxx-19-00-00-en-024
100%
actual
expected
0%
L00-FMP4xxxx-19-00-00-en-023
Possible cause
See table of
error messages
(→ ä 76)
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.
Levelflex M FMP41C PROFIBUS PA
Remedy
1. See table of error messages
(→ ä 76)
→
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