Honeywell RM640, Handbook

Page: 119 / 184

OPERATION
6
119
RM640
www.honeywellprocess.com 34-VF-25-131 iss.1 GLO Feb 2019 US
M
M M
M Sensor Information
Sensor Information Sensor Information
Sensor Information
Failed Sensor MCU Test The sensor electronics does a
continuous self-test procedure.
The test finds a fault.
De-energize and then energize the
device again.
If the message is shown again, tell
the supplier.
Failed Sensor Input Test
Bad Spectrum Quality There is a large change in signal
strength.
Make sure that the device
installation agrees with the data in
the handbook.
If the message is shown again, we
recommend that you attach a
larger antenna to the device.
Peak Lost in Tank Bottom The signal was lost near the tank
bottom. Spherical or conical tanks
can cause the device to show this
status message.
The device will measure the level
of tank contents if you fill the tank.
If the message is shown, tell the
supplier.
RC-Oscillator out of bounds The sensor electronics does a
continuous self-test procedure.
The test finds a fault.
De-energize and then energize the
device again.
If the message is shown again, tell
the supplier.
Sensor Reference out of range
XCO out of bounds
Microwave Lock Error
Microwave Sweep Duration Error
Microwave Supply Voltage Error
1
DM = data manager
2 CO = current output
3
This error message is shown if the device is in SIL mode. CO = current output.
Status
type Error message Description Corrective action