BUCHI DuMaster D-480 - Manual (Page 302)

Operation Manual D-480 ©BÜCH Labortechnik AG
10 - Menu and dialog descriptions 302
Commands for the maintenance of the liquid sampler VLS
Commands for the maintenance of the liquid sampler VLS
The commands as well as the procedures for the maintenance of the liquid sampler are described in
the VLS operating instructions.
Leak test (Dialog)
Function
This dialog is used to perform a leak test and the leak search:
 In the display window the tubing diagram of the analysis system is shown. Depending on the
currently performed leak test stage, the appearance of the tubing diagram may vary.
 If there are certain tasks to be performed during the leak test, they are displayed in the form of
colored numbers in the tubing diagram. By positioning the mouse pointer over these numbers a
particular window will pop up showing the task in detail.
 Below the diagram there is a field which will show information about the actions to be performed
during the certain test stages, e.g. which gas ways have to be closed etc.
 At the right edge of the dialog box there are the buttons for selection and/or execution of the
certain test stages.
Open
Open the dialog by selecting Options > Diagnostics > Rough leak test or Options > Diagnostics >
Fine leak test. First a dialog is displayed in which you must confirm that you want to perform a leak
test. The "Leak test: Complete instrument" dialog is displayed once you confirm.
Elements
The following describes the elements of the dialog.
Label Element type Meaning
(Graphic field) Label Shows the tubing diagram of the analysis system.
Info field (below the
graphic field) Label Gives information to the user, which actions have to be
performed for the execution of a test stage (e.g. sealing of
certain gas ways etc.).
Start Button Stars execution of the currently active leak test stage. The
"Test Phases" dialog will open. Here, the test run can be
observed.
Leak search set Button Opens a dialog in which all components of the leak test kit
are displayed.
Close Button Closes the dialog. The user will be requested to turn on
again the gas supply. Afterwards, a re-initialization of the
system takes place.
Further information
Further information includes instructions in which the dialog is used and knowledge articles
concerning the dialog:
 Performing a leak test (on page 242).
 Installing reaction tubes in the furnace and conditioning (on page 229).
 Preparing and following up maintenance work (on page 171).
 Start-up (on page 109).
 Reacting to a power failure (on page 248).