Trouble-shooting
Micropilot M FMR 240 with PROFIBUS PA
84
E Hauser
9.3
Application errors
Error
Output
Possible cause
Remedy
A warning or
alarm has occur-
red.
Depending on the configuration
See table of error
messages
(see Page 82)
1.
See table of error messages
(see Page 82)
Measured value
(00) is incorrect
L00-FMR2xxxx-19-00-00-en-019
Measured distance
(008) OK?
yes
→
1.
Check empty calibr. (005)
and full calibr. (006).
2.
Check linearisation:
→
level/ullage (040)
→
max. scale (046)
→
diameter vessel (047)
→
Check table
no
↓
Measurement in
bypass or stilling
well?
yes
→
1.
Is bypass or stilling well
selected in tank shape
(002)?
2.
Is the pipe diameter (007)
correct?
no
↓
Is an offset (057)
active?
yes
→
1.
offset (057) correctly set?
no
↓
An interference echo
may have been eva-
luated.
yes
→
1.
Carry out tank mapping
→
basic setup
No change off
measured value
on filling/emp-
tying
L00-FMR2xxxx-19-00-00-en-014
Interference echo
from installations,
nozzle or extension
on the antenna
1.
Carry out tank mapping
→
basic setup
2.
If necessary, clean antenna
3.
If necessary, select better
mounting position
(see Page 14)
100%
F m/ft
E m/ft
0%
t
→
D m/ft (008)
actual
expected
100%
0%
t
→
actual
expected