Varec 7532, Инструкция по установке и эксплуатации

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81
7532 Troubleshooting
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 79)
1. See table of error messages
(see page 79)
Measured
value (00) is
incorrect
Measured distance
(008) OK?
yes → 1. Check empty calibr. (005) and
full calibr. (006).
2. Check linearization:
→ 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
FAR 10 antenna
extension
being used?
yes → 1. offset (057)
correctly set?
no
↓
An interference
echo
may have been
evaluated.
yes → 1. Carry out tank mapping
→ basic setup
No change off
measured
value on
filling/empty-
ing
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
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