Micropilot M FMR244 with FOUNDATION Fieldbus
Trouble-shooting
Hauser
79
9.3
Application errors
Error
Output
Possible cause
Remedy
A warning or alarm
has occurred.
Depending on the configuration
See table of error mes-
sages (see Page 77)
1.
See table of error messages
(see Page 77)
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) cor-
rect?
no
↓
Is an offset (057) active?
yes
→
1.
offset (057) correctly set?
no
↓
An interference echo
may have been evalua-
ted.
yes
→
1.
Carry out tank mapping
→
basic setup
No change off
measured value on
filling/emptying
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 moun-
ting position (see Page 13)
4.
If necessary due to wide interfe-
rence echos set function detec-
tion window (0A7) to "off"
100%
F m/ft
E m/ft
0%
t
→
D m/ft (008)
actual
expected
100%
0%
t
→
actual
expected
