BÜCHI Labortechnik AG
Help with faults | 12
Operation Manual FatExtractor E-500
79/88
Problem
Possible cause
Action
No boiling
Incorrect positioning of the
beaker
u
Make sure that the beakers
are correctly installed in
the beaker brackets and
on the heating plate
Beaker position is not active
u
Activate the beaker posi-
tion
Heater power is set too low
u
Adapt the heating power to
the ambient conditions
(temperature, level above
sea).
u
Choose correct solvent
Elution of Celite®
Too much organic solvent for
extraction
u
Stick to the standard appli-
cation parameters
Sand/Celite® layers mixed up
u
Clean the extraction cham-
bers
12.2
Draining solvent from Extraction glass chamber (Soxhlet only)
Navigation path
➔
➔
[Service]
➔
[Actors]
➔
[Valves]
Precondition:
R
Solvent remains in the extraction glass chamber.
R
The lift is in the lower position.
R
The instrument has ambient temperature.
R
A beaker is placed under the extraction glass chamber Soxhlet position.
u
Navigate to
[Valves]
via the navigation path.
ð
The display shows the view
Valves
.
u
Select the position of the Soxhlet valve you wish to open.
u
Open the Soxhlet valve.
u
Wait until the extraction glass chamber is empty.
u
Close Soxhlet valve.
