8 | Help with faults
Büchi Labortechnik AG
84/102
Operation Manual Pure Chromatography Instruments
Error message
Possible cause
Solution
Instrument Alarm:
Solvent pump:
Power supply error.
Hardware error solvent pump
u
Contact BUCHI Customer
Service.
Instrument Alarm:
Solvent pump: Sol-
vent pump motor
fan is not working.
Hardware error fan solvent
pump
u
Contact BUCHI Customer
Service.
Instrument Alarm:
UV detector: Com-
munication error
occurred.
Serial communication dis-
turbed
u
Restart the instrument.
Instrument Alarm:
UV detector: Bad
block of High Volt-
age (HV) generator
for lamp or discon-
nected lamp or bad
lamp.
Lamp defect
u
Check the lamp and restart
instrument.
u
Contact BUCHI Customer
Service.
No lamp
Hardware error UV detector
Instrument Alarm:
UV detector: Bad
power supply of
lamp heater volt-
age.
Hardware error UV detector
u
Contact BUCHI Customer
Service.
Instrument Alarm:
UV detector: Bad
power supply of
lamp anodic volt-
age.
Hardware error UV detector
u
Contact BUCHI Customer
Service.
Instrument Alarm:
UV detector: Bad
power supply of de-
tector analog or dig-
ital voltage.
Hardware error UV detector
u
Contact BUCHI Customer
Service.
Instrument Alarm:
UV detector: 4th cy-
cle of lamp ignition
fails.
Lamp defect
u
Check the lamp and restart
instrument.
Instrument Alarm:
UV detector: Lamp
spontaneously
douse during unit
working.
Lamp defect
u
Check the lamp and restart
instrument.
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