Instruction Manual

9 Troubleshooting
797 VA Computrace – Software
258
Error message "Please select a new database file"
If you work with the new program version «797 VA Computrace
Software 1.3.x» and try to export to a database created with an old
program version «797 VA Computrace Software 1.X», following er-
ror message appears.
"The selected database file was created with a previous version of
CT797. The data cannot be written to this database.
Please select a new database file".
Reason for this error is that the file structure of the Version w1.3.x
differs from the file structur of the previous versions 1.X.
Close the autodatabase, and confirm the error message with <OK>.
The window SELECT DETERMINATION DATABASE FILE opens.
Choose a database created with Version w1.3.x, or create a new
one by entering a new name and clicking <Open>.
9.4 Dosing Device problems
Dosing Device does not work
1. Check the connecting cable between Dosing Device and 797
VA Computrace stand resp. the 846 Dosing Interface.
2. Click on MAIN WINDOW / Settings / General settings and check
the entries on the Dosinos / Dosing Interface tab of the GENE-
RAL SETTINGS
window (see Installation of Dosing Devices, sec-
tion 1.3).
3. Click the button .
4. Select Automatic for Addition in the WORKING METHOD SPECI-
FICATIONS
window.
5. Activate the Dosing Device in the
DOSINO window for every
method used (see Dosing Devices, section 5.2).
6. Check the solution number
No. on the Substances tab of the
EDIT WORKING METHOD PARAMETERS window. The number
defined in the No. field of the Substances tab of the EDIT WOR-
KING METHOD PARAMETERS
window should correspond with
the number of the Dosing Device used for the addition of this
substance.
Irreproducible standard additions with a Dosing Device
1. Click on or MAIN WINDOW / Utility / Dosino control to
open the DOSINO CONTROL window (see Dosino control win-
dow, section 7.2).
2. Check if there are air bubbles left in the glass cylinder of the
dosing unit. If this is the case, press button .
3. Close the DOSINO CONTROL window.