ABB Totalflow X Series Startup Manual page 19

Measurement Applications
Back Flow Condition: Visible only when DP variable
B F
displayed.
Z Zero Flow Condition: Visible only when Flow Rate displayed.
H
Hold: Displayed when PCCU32 is in Calibration Mode and
has a measurement application in Hold mode.
A
Alarm Condition: Need to view alarm. You may need to
compare application limits to current values to determine
where the alarm condition is present.
A
A to D Failure: Displayed if A to D Converter's Differential
D
Pressure, Absolute Static Pressure or temperature readings
exceed maximum counts or are less than minimum counts.
The Display Does Not Scroll As Expected
When power is first applied, the unit should quickly go through startup
and begin cycling through the pre-programmed display items. If the
display does not scroll after startup and/or looks similar to the following:
(Part numbers are for example only)
2100204 Boot/Loader PROM
2100809-002 (COPYRIGHT)
Disconnect the main power and then re-connect it. You should see
something similar to:
Verifying Flash
XXXXX
Checksum = XXXX
Verify Passed
If the display still doesn't scroll, try disconnecting the power and re-
connecting it again. If still no success, do the following:
With PCCU32, connect to the unit and establish communications such as
Connect To Totalflow, Entry Mode, etc. Go into Terminal Mode and type
"0.0.0=COLD" (Do not enter quotes). The unit should go through a Cold
Start procedure and begin scrolling. If this does not succeed, call the
number on the back of this guide and talk to a customer service
representative.
COLD BOOT
or
Flash 2100826-003
X Series Flow Computer
2100826-003 (COPYRIGHT)
19