
88
NT UF 831 CO GB (b) / March 2014
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, the measurement is impossible.
Contact Ultraflux.
Function
There is a bug in the execution of the function engine. Check the
function engine inputs. If the problem persists, contact Ultraflux.
Com .ER
There is a programming problem for 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; the measurement is possible but
not the archiving by the logger. Contact Ultraflux.
logger
The data of the logger cannot be used or is false. 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 831
Page 5: ...5 NT UF 831 CO GB b March 2014 CHAPTER 1 OVERVIEW...
Page 10: ...10 NT UF 831 CO GB b March 2014 CHAPTER 2 SAFETY INSTRUCTIONS...
Page 14: ...14 NT UF 831 CO GB b March 2014 CHAPTER 3 INSTALLATION AND WIRING...
Page 22: ...22 NT UF 831 CO GB b March 2014 CHAPTER 4 IMPLEMENTING A MEASURING POINT...
Page 26: ...26 NT UF 831 CO GB b March 2014 CHAPTER 5 USING AND CONFIGURING THE UF 831...
Page 59: ...59 NT UF 831 CO GB b March 2014 CHAPTER 6 FUNCTION ENGINE...
Page 61: ...61 NT UF 831 CO GB b March 2014 CHAPTER 7 PC SOFTWARE...
Page 77: ...77 NT UF 831 CO GB b March 2014 Appendix 1 Characteristic echo signals...
Page 80: ...80 NT UF 831 CO GB b March 2014 Appendix 2 Speed of sound in water...