Emerson Rosemount Reference Manual page 65

Reference Manual
00809-0100-4021, Rev GC
After the sensor has been repaired or replaced, the LCD display on the transmitter will display a
message WARN HOT BU as well as the output of the secondary sensor that has taken over the
process.
It is recommended that Hot Backup be reset immediately after repairing or replacing the
affected sensor. See
replacing the bad sensor, the LCD display on the transmitter will now display the value of Sensor
1.
DeltaV
Alarms will show up on the bottom toolbar, as shown below:
To view the alarm, simply click on the device on the toolbar. A faceplate with further information
on the active alarms will appear. It will show an ADVISE Sensor Summary, a FAILED Sensor 1 Open,
and a MAINTENANCE Hot Backup Active.
Note
For all of these alarms to appear in DeltaV, all alarms in DeltaV must be configured to WARNING
status.
HART® commissioning
"Reset Hot Backup: Fast Keys 2-2-4-1-4" on page
®
message
Section 3: HART commissioning
78. After repairing or
April 2014
55