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NT UF 841 CP GB (d) / June 2015
III.3 Fault grid
There are three types of alarm:
•
Alarm A: General fault,
•
Alarm B: Maintenance requirement / Degraded mode,
•
Alarm C: Alarm on peripheral system.
Using the PC software, you can find the detail of each of these alarms with the key word displayed in the
fault window (see the chapter dedicated to the PC software).
The explanation of these key words is given below:
Alarm A:
KEY WORD
EXPLANATION
firmware
There is a recognition problem for the internal software of the flow
meter. Contact Ultraflux.
EEprom
The non-volatile memory is faulty, measurement is
impossible. Contact Ultraflux.
Function
The function engine has an execution bug. Check the inputs to the
function engine. If the problem persists, contact Ultraflux.
Com .ER
There is a programming problem with the two DSP processors. Turn
the flow meter off, and then back on. If the problem persists,
contact Ultraflux.
Bad software
The internal software of the flow meter is not compatible with the
type of flow meter programmed (Full Pipe, Open Channel, ISD, PSD,
etc.). Contact Ultraflux.
Q
Fault on the flow.
Alarm B:
KEY WORD
EXPLANATION
velocity
Fault on one of the eight velocities.
Alarm C:
KEY WORD
EXPLANATION
Dataflash
The non-volatile memory is faulty; measurement is possible but not
archiving by the logger. Contact Ultraflux.
logger
The logger data cannot be used or is corrupt. Contact Ultraflux.
h/w I/O
One of the inputs/outputs is no longer responding. Contact Ultraflux.
i/o
One of the inputs/outputs is incorrectly configured. Contact
Ultraflux.
clock
The clock time must be set correctly.
Summary of Contents for Uf 841
Page 4: ...4 NT UF 841 CP GB d June 2015 CHAPTER 1 OVERVIEW...
Page 12: ...12 NT UF 841 CP GB d June 2015 CHAPTER 2 SAFETY INSTRUCTIONS...
Page 17: ...17 NT UF 841 CP GB d June 2015 CHAPTER 3 INSTALLATION AND WIRING...
Page 25: ...25 NT UF 841 CP GB d June 2015 CHAPTER 4 INSTALLING A MEASURING POINT...
Page 27: ...27 NT UF 841 CP GB d June 2015...
Page 35: ...35 NT UF 841 CP GB d June 2015 CHAPTER 5 USING AND CONFIGURING THE Uf 841...
Page 64: ...64 NT UF 841 CP GB d June 2015 CHAPTER 6 FUNCTION ENGINE...
Page 68: ...68 NT UF 841 CP GB d June 2015 CHAPTER 7 PC SOFTWARE...
Page 82: ...82 NT UF 841 CP GB d June 2015 Appendix I Characteristic echo signals...
Page 85: ...85 NT UF 841 CP GB d June 2015 Appendix II Speed of sound in water...