Honeywell SmartLine RM60 Handbook page 74

24 ghz non-contact radar (fmcw) level meter
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OPERATION
6
Error Message
Measuring status
Measurement is old
Level has reached the
blocking distance (silo
overfill)
Measurement is lost in the
tank bottom
Electronics failures
Microwave check failed
Peripheral Failure
74
Error
Description
code
W
This is a temporary error
message. If the device cannot
get a measurement in this
time limit, the displayed
measurement is no longer
correct. The voltage is
possibly too low. If the device
continues to show the
message "spectrum quality is
bad", then this message is
also shown.
W
The level is in the blocking
distance. There is a risk that
the product will overflow
and/or cover the device.
W
The silo is possibly empty.
The device will display the
tank bottom measurement.
The device got the last valid
measurement near to the silo
bottom, but it can no longer
find the signal. It is possible
that the device cannot find the
bottom of the silo if it is
installed in a silo with a dish-
shaped (DIN 28011 or similar)
or conical bottom. The form
of the silo bottom causes a
delayed radar reflection and
the device will display the
error message
"Measurement is lost in the
tank bottom". The device will
display the silo bottom
measurement.
E
A microwave board check
failed.
E
Hardware peripheral devices
on the DSP board failed.
www.honeywell.com/ps
SMARTLINE® RM60 (FMCW)
Corrective action
Check the voltage at the
device terminals. Refer also
to the error message
"Spectrum quality is bad".
Remove some of the product
until the level is below the
blocking distance.
If you fill the silo, the device
will measure again.
Follow the instructions on
page 69.
If the problem continues,
contact the supplier or
replace the electronics block.
For more data, refer to
Replacement of the complete
electronic module
on page 80.
If the problem continues,
contact the supplier or
replace the electronics block.
For more data, refer to
Replacement of the complete
electronic module
on page 80.
34-VF-25-31 iss.4 GLO December 15 US

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