Hach-Lange POLYMETRON 9240 Operator Manual - Manual (Page 113)

111
Maintenance and Diagnostics
9.12 Extended stop
If the instrument is not to be used for an extended period of
time, select this option to shut the analyzer down in a
controlled manner.
Place all the tubes in demineralized water for cleaning.
Press OK to continue
A progress bar will be displayed whilst the shut down is being
performed.
On completion, you will be informed to remove and store the
electrodes.
Press ESC to exit