9 | Help with faults
Büchi Labortechnik AG
76/88
Operation Manual UniversalExtractor E-800
9
Help with faults
9.1
Troubleshooting
Problem
Possible cause
Action
Flange lock is not in-
serted completely
The condenser is not in the
right position.
u
Move the condenser flange
a little bit until the lock falls
into the wholes.
Instrument does not
work
Instrument is not connected to
the power supply.
u
Make sure that the power
supply is connected and
switched on.
Method cannot
start
Solvent tank is full
u
Empty the solvent tank.
Protection shield is open
u
Close the protective shield.
No solvent present
u
Add solvent. See Chapter
"Adding solvent through the
condenser with a funnel",
page 69
Not enough solvent
u
Add solvent. See Chapter
"Adding solvent through the
condenser with a funnel",
page 69
Method stops
Cooling water flow is too low
u
Check the cooling water
connection and all hoses for
bends and remove them, if
necessary.
Cooling water sensor is defec-
tive (may be the coolant is
contaminated with algae, lime,
etc.)
u
Contact BUCHI Customer
Service.
Protection shield lifted
u
Close the protection shield.
Tank bottle full
u
Empty the tank bottle. See
Chapter 8.2 "Removing the
tank bottle", page 73
Not enough solvent
u
Check for leaks.
u
Add solvent. See Chapter
"Adding solvent through the
condenser with a funnel",
page 69
Loss of solvent
Seals wrong, deformed or
damaged
u
Exchange the seals.
Incorrect positioning of the
beaker/ glassware and seals
u
Summary of Contents for E-800
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