Metrohm 890 Titrando - Manual (Page 32)

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890 Titrando
automatic rotation of the flat stopcock and then returns it to the
exchange position (dosing position). The Status LED will be continu-
ously illuminated once this has been accomplished.
The following table contains a summary of which operating statuses of
the internal dosing device are displayed by the Status LED:
Status of the
"Status" LED Description
off No exchange unit is attached.
constant illumina-
tion The exchange unit has been correctly attached
and recognized and can now be used for dosing
and titration. The flat stopcock is in the exchange
position, i.e. the exchange unit can be removed.
slow flashing ￭ The exchange unit is currently being used for
dosing or filling.
￭ An intelligent exchange unit has been
attached and the data on the integrated data
chip is currently either being read out or writ-
ten.
rapid flashing Error on the dosing drive, consult the "Trouble-
shooting" chapter.