Hach POLYMETRON 8310 Benutzerhandbuch Seite 19

Option
Module information
Sensor information
Last calibration
Calibration history
Reset calibration history
Polarization
Sensor signals
Sensor days
Reset
Factory calibration
Measurement diagnostic
information
7.5 Error list
When an error occurs, the reading on the measurement screen flashes and all outputs are held when
specified in the Controller > Outputs menu. The screen changes to red. The diagnostics bar shows
the error. Push on the diagnostic bar to show the errors and warnings. As an alternative, push the
main menu icon, then select Notifications > Errors.
A list of possible errors is shown in
Error
ADC failure
Sensor is missing.
Measurement value is
out of range.
7.6 Warning list
A warning does not affect the operation of menus, relays and outputs. The screen changes to an
amber color. The diagnostics bar shows the warning. Push on the diagnostic bar to show the errors
and warnings. As an alternative, push the main menu icon, then select Notifications > Warnings.
A list of possible warnings is shown in
Table 6 Diagnostics/Test menu
Description
Shows information about the sensor module.
Shows the sensor name and the serial number entered by the user.
Shows the number of days since the last calibration was done.
Shows a list of all calibrations by date/time stamp. Use the arrows keys to
select a calibration, then push OK to show the details.
For service use only
Shows information about the electrode polarization, the cable capacitance
and the time before the next measurement in seconds.
Shows the current sensor signal information.
Shows the number of days that the sensor has been in operation.
Sets the Sensor days counter to zero and sets the calibration data to the
defaults.
Reset the Sensor days counter when the sensor is replaced.
For service use only
Shows diagnostic information about the current measurement.
Table 7.
Table 7 Error list
Description
The analog to digital
conversion failed.
The sensor is missing or
disconnected.
The sensor signal is outside of
the accepted limits.
Table 8.
Resolution
Power off and power on the controller. Make sure that
the sensor module is fully inserted into the controller
connector. Contact technical support.
Examine the wiring and connections for the sensor
and for the module. Make sure that the terminal block
is fully inserted into the module.
Make sure that the Conductivity unit setting is set for
the correct measurement range.
English 19