BUCHI PrepChrom C-700 - Manual (Page 97)

BÜCHI Labortechnik AG Troubleshooting | 8
PrepChrom C­700 97/110
8 Troubleshooting
8.1 Customer service
Only authorized service personnel are allowed to perform repair work on the de­
vice which is not described in this manual. Authorization requires a comprehen­
sive technical training and knowledge of possible dangers which might arise
when working at the device. Such training and knowledge can only be provided
by BUCHI.
The customer service and support offers the following support:
• Spare part delivery
• Repairs
• Technical advice
Addresses of official BUCHI customer service offices can be found on the
BUCHI website.
www.buchi.com
8.2 Faults
8.2.1 Detector
8.2.1.1 High noise level or decreased sensitivity
u Clean the flow cell.
• 7.2.2 Flow cell, cleaning [ } page 88]
u Check the noise level and sensitivity.
Results
u The noise level and sensitivity are OK:
• Task finished.
u The noise level and sensitivity are not OK:
• The UV Detector lamp needs to checked by a BUCHI representative of
the customer service.
• 8.1 Customer service [ } page 97]
8.2.2 Pump
8.2.2.1 Pump noise or pressure fluctuation
u Clean the check valves.
• 7.2.3 Check valve, cleaning [ } page 89]
Results
u No pump noise or pressure fluctuation:
• Task finished.
u Pump noise or pressure fluctuation still occurs:
• 7.3.5 Check valve,replacement [ } page 94]