8 | Help with faults
Büchi Labortechnik AG
86/102
Operation Manual Pure Chromatography Instruments
Error message
Possible cause
Solution
Instrument Alarm:
UV detector: Any
fan is not working or
any fan is discon-
nected or mechani-
cal blocked.
Hardware error UV detector
u
Contact BUCHI Customer
Service.
Solvent List File
Solvent list file corrupted
u
Shutdown the Pure
software.
u
Delete the solvent list.
u
Restart the Pure software.
Solvent Lines File:
Invalid program ex-
ecution.
Solvent lines file corrupted
u
Shutdown the Pure
software.
u
Delete the solvent list.
u
Restart the Pure software.
Solvent Defaults
File: The solvent in-
formation file and
the default solvent
information file are
missing.
Software damaged
u
Uninstall and reinstall
software.
Using Default Sol-
vent List: System
defaults used in-
stead of actual re-
source.
Solvent file has been deleted
u
Restart the instrument.
Solvent Pressure:
Pressure limit has
been exceeded.
Blockage in the line
u
Remove column.
u
Replace with bypass.
u
Determine if column is not
the source of blockage.
u
If not column is the source
of blockage, then check all
fluidic lines.
Sample crashing/precipitate
u
Purge lines/system with a
strong or appropriate
solvent that will dissolve the
sample
Valve stuck in incorrect posi-
tion
u
Reset valve position.
u
Contact BUCHI Customer
Service.
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