Sartorius Master series User Manual page 33

Problem ...
The special
code "b" displayed
does not go out
The weight
readout changes
constantly
Causes ...
– No keys have been
pressed since the balance
was turned on
– Unstable ambient
conditions
– Too much vibration or
the balance is exposed
to a draft
– A door of the draft
shield chamber is not
completely closed
(only applies to draft shields
with sliding doors)
– The round glass draft
shield is not in place
– The draft shield base
plate (4) or the cen-
tering disk (27) is
not mounted correctly
– The dust cover for
balances with a rectangular
pan is not attached correctly
and is touching
the weighing pan
– A foreign object
is caught between the
pan and the housing of
the balance
– The cover plate for the
port for the below-balance
weighing hanger
has not been closed
– The sample does not
have a stable weight
(absorbs moisture or
evaporates)
Solution
– Press any key
– Set up the balance
in another area
– Access the menu to
select the appropriate
code to adapte the balance
to the particular weighing
environment (see Part 2)
– Make sure that all
draft shield doors
are closed
– Position the round
draft shield
– To mount these components,
see "Getting Started"
on page 1–9
– Press down on the adhesive
strips to attach the dust cover
– Remove foreign object
– Turn the cover plate to
close the port for
below-balance weighing
1–29