Haefely 2830, User Manual, Page: 50 / 124

42 Software
and Reg control cables are connected wrong on the 2831 front panel. This message could also be
displayed when a hot liquid test cell is put in a cold heater.
Check if the two cables are connected in the correct plug socket (the cables are labelled). If the
liquid test cell is hotter than 25° C as the heater then take the test cell out of the heater and preheat
the heater for a short time without the test cell inside. After the preheating try again to start the
heating with the hot cell inside.
9.1.7 Error Messages
Following error messages will appear in a dialog window when an error occurs.
Error Ethernet Connecting 2831
When at the software start up no communication
to the 2831 over Ethernet could be established
this error message pops up.
Close the 2830 application and check the
Ethernet cable for correct installation and restart
the application.
Error USB Connecting 2831
When the USB communication fails at the
software start up then this error message pops
up.
Close the 2830 application and check the USB
cable for correct installation and restart the
application.
Fatal Error
This error can occur after a DC flashover in the
test cell.
Shut down the system and switch off both units.
Then switch them on and start the 2830
application.