KROHNE OPTIWAVE 7300 C Handbook page 65

65
Measurement quality
Using menu item B.2.7.0 measurement quality, you can read more information about the last measurement.
Six error/status messages are available and are listed below.
Error Message
Measuring Status
Measurement Lost
Overfill Indication
Peak And Spectrum
Status
Spectrum Quality bad
Empty spectrum invalid
No Plausible Peak
Software Error
Firmware data loading
Error
Type of Error Description
W Temporary error message. Time limit
to get valid measurement elapsed.
Present displayed measurement is no
longer valid.
If the problem persists, "Signal down"
will be displayed.
W Product Level is above the block
distance limit. Danger of product
overflowing and/or immersing the
device.
W The quality of the spectrum is poor.
Temporary display will not affect the
performance of the device. If this
message is continuously displayed,
the measured values may be
inaccurate and/or the error message
"Measurement is old" will then be
displayed.
Possible problems can be foam,
vortices, turbulent product surface
and internal tank elements.
W The Empty Spectrum stored in the
device is not valid. The default or
previously configured data is not the
for the application in question, for
instance where tank height has
changed.
Empty spectrum is not used by the
device while this error message is
displayed.
W Signal peak is not found within the
measuring window that sorts the
signals returning to the antenna. The
device will automatically increase this
window to find a valid signal. If the
signal is not found "Signal down" is
displayed.
F The download of DSP Firmware to
DSP board failed.
OPTIWAVE 7300 C
Handbook OPTIWAVE 7300 C
Corrective action
Lower the product
level below the
blocking distance.
Check tank installation
and process. If
necessary contact the
supplier.
A new Empty
Spectrum needs to be
recorded for the
application. Please go
to Empty Spectrum
Setup Mode to
perform this operation.
Restart the device and
if the problem persists,
contact the supplier.