ProMinent DULCOMETER - Page 150

Error Error message
text
Cause Remedy
Check the raw value in mA in
the Information menu by
pressing . If the value is
>23 mA, then it is not a correct
sensor signal. Replace the
sensor with a new sensor.
10 The mA input cur‐
rent is too low
The power circuit is dis‐
connected
Check the 2-wire connection
between the sensor/transmitter
and controller and check the
raw value in mA by pressing
. If the value is 0 mA, then
the connection is disconnected
11 After elapse of the
delay period, a
limit value error
still exists.
The measured value lies
above the limit value for
a period longer than the
set delay period
Check whether the choice of
the limit value matches the
application and adjust the limit
value if necessary.
Check whether the choice of
the delay period matches the
application and adjust the
delay period if necessary.
Check the design of the
actuator. Is the actuator
selected too large?
Check the concentration of the
metering chemical – is the con‐
centration too high?
Check the control parameters.
Does the control tend to over/
undershoot?
12 There is a sample
water fault e.g. no
flow
The in-line probe hou‐
sing's sample water limit
contact e.g. DGMa was
triggered by the float
dropping.
Check the routing of the
sample water line
Check the sample water dis‐
charge point. Is it blocked?
Check if a sample water filter is
fitted and clean it if necessary
[Diagnostics]
150