Endress+Hauser Micropilot S FMR531, Operating Instructions Manual

Page: 73 / 100

Micropilot S FMR531 with HART/4...20 mA Trouble-shooting
E Hauser 73
9.3 Application errors
Error Output Possible cause Remedy
A warning or alarm
has occurred. Depending on the configuration See table of
error messages
(see Page 71) 1. See table of error messages
(see Page 71)
Measured value
(00) is incorrect
L00-FMR53xxx-19-00-00-en-007
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
3. Check dip table
no
↓
Measurement in bypass
or stilling well? yes
→
1. Is bypass or stilling well
selected in tank shape?
2. Is the pipe diameter
(007) correct?
3. Pipe diameter correction (032 )
activated?
no
↓
Is "offset" (057) active? yes
→
1. offset (057) correctly set?
no
↓
An interference echo
may have been
evaluated. yes
→
1. Carry out tank mapping
→
basic setup
2. Activate auto correction (031)
No change off
measured value on
filling/emptying
L00-FMR53xxx-19-00-00-en-006
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 15)
20 mA/100%
F m/ft
E m/ft
4 mA/0% t
→
D m/ft (008)
actual
expected
20 mA/100%
4 mA/0% t
→
actual
expected