20. Trouble-Shooting
103
Dr. A. Kuntze
I
Gutes Wasser mit System
Robert-Bosch-Str. 7a
40668 Meerbusch
+49 (0) 2150-7066-0 / Fax -60
www.kuntze.com
20.4. Info
The Menu SYSTEM=>INFO contains all information on your instrument, the settings, and the current
values, such as:
ID
Here you can find the instrument number, the software versions, and the operation hours. This
information is important for repair, updates, etc.
Eventlog
The eventlog lists up to 100 events with the times of their appearance and disappearance. Further
details are supplied on the following pages.
Settings
This menu lists all settings. In case of trouble, check if all settings are as you had intended, and check
if the instruments behavior is consistent with the settings. If for example the alarm relay is not activated
when the measured value drops below the lower limit, this might be because you have not activated
the lower limit as an alarm action in the alarm action list.
View
This menu shows all current values of analog and digital inputs and outputs, including the raw signals
of the sensors. The later are invaluable for trouble-shooting since they are not affected by any user
settings such as calibration, temperature compensation etc. If for example you get a slope error after
calibration, even though the raw signals of the sensor were plausible, then the problem might well be a
defective or missing temperature measurement, and an exchange of the pH sensor would be quite
useless.
The raw data is also especially useful if the instrument has been hopelessly miscalibrated.
The information on mA output values and status of the digital inputs help locating communication
problems with the control center. mA values can be measured at the terminals of the instrument with
an amperemeter.
Note
The mA outputs and the second digital input are add-ons. They are displayed
only if the functions have been activated.
20.5. Event messages
In case of trouble, the instrument displays an event message on the desktop. If there are more than
one message, they are displayed alternately.
Not all events will cause the alarm relay to switch. For many events you can decide for yourself if the
relay should switch by defining the event as an alarm action in the alarm action list – see Alarm relay.