Metrohm 757 VA Computrace - Manual (Page 172)

8 Troubleshooting
757 VA Computrace – Software
162
8.3 Software problems
Error message "No access to software"
If the login fails because no password is known any more, pro-
ceed as follows:
1. Deinstall the software (see Deinstallation, section 1.3).
2. Reinstall the software (see Software installation, section 1.3).
Error message "The file 'ecousb.sys' is needed"
This message indicated problems with the USB connection. Pro-
ceed as follows:
1. Insert the installation CD into the CD drive.
2. Click on
. Select the CD drive and click on .
Wrong language in Help
If you want to change the help language, reinstall the software us-
ing the
Modify option and select the desired language.
8.4 Dosimat problems
Dosimat does not work
1. Check if the Dosimat is switched on.
2. Check the connecting cable between the Dosimat and 757 VA
Computrace Stand.
3. Click on MAIN WINDOW / Settings / General settings and check
the entries on the Hardware tab of the GENERAL SETTINGS
window (see Hardware settings for Dosimats, section 1.3).
4. Exit/restart the 757 VA Computrace software.
5. Activate the Dosimat in the
DOSIMAT window for every method
used (see Dosimats, section 5.2).
6. Check if a solution number No. is defined on the Substances
tab of the EDIT WORKING METHOD PARAMETERS window.
Note: If Dosimats are connected to the 757 VA Computrace
Stand, the instruments must always be switched on in the se-
quence Dosimat → 757 → PC.