18.4.2 Warning messages
Tab. 24: Warning messages
# Warning message
text
Cause Remedy
01 The limit value was
undershot
The measured value is
below the limit value
Check whether the choice of the limit
value matches the application and adjust
if necessary.
Check the design of the actuator: has
too small an actuator been selected?
Check the concentration of the feed
chemical: is the concentration too low?
Check the control parameters: does the
control tend to over/undershoot?
02 The limit value was
exceeded
The measured value is
above the limit value
Check whether the choice of the limit
value matches the application and adjust
if necessary.
Check the design of the actuator: has
too large an actuator been selected?
Check the concentration of the metering
chemical – is the concentration too high?
Check the control parameters: does the
control tend to over/undershoot?
03 The wash timer has
timed out. Mainte‐
nance is necessary
The wash timer acti‐
vates a relay.
The sensor is cleaned
with cleaning fluid.
A visual check may be
necessary as outline in
your maintenance
schedule
Clean and check the sensor.
04 The measuring
channel is not yet
calibrated
The sensor connected
to a measuring channel
has not yet been cali‐
brated
Calibrate the sensor.
05 Not yet calibrated. The system has not yet
been calibrated.
Calibrate the system e.g. the sensor.
[Diagnostics]
172
To Next Page
Loading...
Need help?
General
