GE AKTA avant User Manual page 5

7.4 Monthly maintenance ........................................................................................................................
7.4.1
7.4.2
7.5 Semiannual maintenance ................................................................................................................
7.5.1
7.5.2
7.6 Maintenance when required ...........................................................................................................
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.6.7
7.6.8
7.6.9
7.6.10
7.6.11
7.6.12
7.7 Calibration procedures ......................................................................................................................
7.7.1
7.7.2
7.7.3
7.7.4
7.8 Replacement procedures ..................................................................................................................
7.8.1
7.8.2
7.8.3
7.8.4
7.8.5
7.8.6
7.8.7
7.8.8
7.8.9
7.8.10
7.8.11
8 Troubleshooting ...................................................................................................
8.1 Introduction to troubleshooting .....................................................................................................
8.2 Troubleshooting: General Checklist .............................................................................................
8.3 Troubleshooting: Monitors ................................................................................................................
8.4 Troubleshooting: Valves .....................................................................................................................
8.5 Troubleshooting: Fraction collector .............................................................................................
8.6 Troubleshooting: Pumps ....................................................................................................................
8.7 Troubleshooting: Other components ..........................................................................................
8.8 Troubleshooting: Instrument communication ........................................................................
8.9 Error codes ...............................................................................................................................................
ÄKTA avant User Manual 29035184 AE
Check the flow restrictor .............................................................................................................
Check the function of the pump flow restrictors ..............................................................
Clean the UV flow cell ..................................................................................................................
Replace the pH electrode ............................................................................................................
Clean the instrument externally ..............................................................................................
Perform System CIP ......................................................................................................................
Perform Column CIP .....................................................................................................................
Clean built-in fraction collector ................................................................................................
Clean Fraction collector F9-R ....................................................................................................
Storage of the pH electrode ......................................................................................................
Clean the pH electrode ................................................................................................................
Regenerate dried out pH electrode ........................................................................................
Clean pump head check valves ...............................................................................................
Clean pump flow restrictors ......................................................................................................
Wipe off excess oil from the pump head .............................................................................
Clean the Conductivity flow cell ...............................................................................................
Calibrate the pH monitor ............................................................................................................
Calibrate the pressure monitors ..............................................................................................
Calibrate the Conductivity Monitor ........................................................................................
Calibrate the UV monitors ..........................................................................................................
Replace tubing and connectors ...............................................................................................
Replace the Mixer ..........................................................................................................................
Replace the O-ring inside the Mixer .......................................................................................
Replace the UV monitor U9-M flow cell ...............................................................................
Replace UV monitor U9-L flow cell .........................................................................................
Replace Flow restrictor ................................................................................................................
Replace the inlet filters ................................................................................................................
Replace pump head check valves ..........................................................................................
Replace pump rinsing system tubing ....................................................................................
Replace a valve module ..............................................................................................................
Replace pump pistons, piston seals, O-rings and rinse membranes ......................
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