ProMinent DulcoFlow DFMa, Руководство по эксплуатации, Страница: 61 / 80

11.1
DulcoFlow
®
Errors
Faults with error messages
The left device LED lights up red if an error exists.
Fault description Cause Remedy
Bubbles detected There are too many bubbles or particles
in the feed chemical.
Avoid bubbles or particles in the
feed chemical.
Warning with error message
The left device LED lights up orange if a warning exists.
Fault descrip‐
tion
Cause Remedy
Q(Hz) > Qmax Flow value Q has exceeded the pre-
specified upper limit for the counter
output.
Identify and rectify the reason for this
on the system or DulcoFlow ® .
Q(Hz) < 0 Flow value Q has undershot the pre-
specified lower limit for the counter
output.
Identify and rectify the reason for this
on the system or DulcoFlow ® .
Q(mA) > Qmax Flow value Q has exceeded the pre-
specified upper limit for the current
output.
Identify and rectify the reason for this
on the system or DulcoFlow ® .
Q(mA) < Qmin Flow value Q has undershot the pre-
specified lower limit for the current
output.
Identify and rectify the reason for this
on the system or DulcoFlow ® .
LED signals
For further information about LED sig‐
nals, see the "Settings" chapter.
Troubleshooting
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