Metrohm 840 PC Control 5.0 / Touch Control - Manual (Page 304)

5.1 Troubleshooting
292
PC Control / Touch Control
Problem Possible cause Remedy
Cylinder volume of
exchange/dosing unit is too
large.
Use an exchange/dosing unit with a
smaller cylinder volume (smaller
volume increment per pulse).
Electrode responds to
slowly.
Replace the electrode.
Time for reaching
the control point is
too long.
Unfavorable control
parameters.
- Select a smaller Dynamics under
User-defined parameters.
- Increase the Min. rate under
User-defined parameters.
- Increase the Max. rate under
User-defined parameters.
5.1.7 Sensor data
Problem Possible cause Remedy
After calibration the
calibration data is
not stored together
with the sensor data.
In the method the correct
Sensor has not been
selected in the CAL
command.
Take care that the sensor to be
calibrated has been selected under
Edit command/Sensor (see
Section 4.1.5).
5.1.8 Print
Problem Possible cause Remedy
The [Print] fixed key is
deactivated.
Activate the [Print] fixed key
under Dialog options/
Fixed keys (see Section 3.7.3).
The [Print] fixed key
is inactive.
The system is in the BUSY
status, i.e. a determination is
running.
Wait until the determination is
finished.
PC Control: empty
pages are produced
when printing out
the result silo report
or the statistics
overview.
Landscape format has
been selected under
orientation in the Windows-
specific printer settings.
in the Windows-specific printer
settings select portrait format as
the printout is automatically made
in landscape format.