6: Troubleshooting
45
6.3
Warning and Status Messages
FLOW RATE ERRORS
ERR:No flow signal
Interpretation:
This message appears when the transducers cannot send or receive
signals to each other.
Response:
Check that all cables are connected, transducers are on the pipe
correctly with sufficient couplant on the face.
This condition could also be due to a partially empty pipe, aerated liquid, particulate
content too high or when the condition of the pipe being measured is poor.
Flow signal is poor
Interpretation:
This warning appears when the signal is lower than 25%.
Response:
This could be due to an application problem, a poor quality pipe – see
also the conditions for
No flow signal
(above). Check for sufficient couplant.
ERR:Zero cut-off!
Interpretation:
You have entered an out-of-range value in the
Zero cutoff
field
in the
Options
menu.
Response:
Enter a valid number.
Totalizer beyond maximum!
Interpretation:
The totalizer has overflowed its maximum count. The counter will
roll-over and restart from zero but this message alerts you to the fact.
Response:
Reset the totalizer as described in Paragraph 3.5.
PULSE ERRORS
ERR:Pulse output!
Interpretation:
The flow rate exceeds the capability of the pulse output – i.e. too
many pulses per second are required than can be achieved.
Response:
Narrow the pulse width time or increase the volume per pulse, as
described in Paragraph 3.4.2.
ERR:Pulse volume!
Interpretation:
You have entered an out-of-range value in the
Pulse volume
error
field in the
PULSE OUTPUT
menu – see Paragraph 3.4.2.
Response:
Enter a valid number.
ERR:Pulse width!
Interpretation:
You have entered an out-of-range value in the
Pulse width
error
field in the
PULSE OUTPUT
menu – see Paragraph 3.4.2.
Response:
Enter a valid number.
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