Technical data

5. LSC Control System 39
5.1. Introduction ....................................................................................................39
5.1.1. LSC control panel.............................................................................39
5.1.2. Brief description of operation............................................................40
5.2. Visual components of the LSC control system ..............................................41
5.2.1. Menu bar...........................................................................................41
5.2.2. Window area.....................................................................................42
5.2.3. Pop-up menus ..................................................................................43
5.2.4. Status bar .........................................................................................47
5.3. Function keys.................................................................................................48
5.4. Manual mode .................................................................................................49
5.4.1. Input of set values in the manual mode............................................50
5.4.2. Set values for manual freezing.........................................................51
5.4.3. Set values for manual main drying and final drying .........................52
5.4.4. Manual defrosting (option)................................................................52
5.4.5. Manual pressure increase measurement (optional).........................53
5.4.6. Preselection......................................................................................54
5.5. Programmer module (optional) ......................................................................55
5.5.1. General information..........................................................................55
5.5.2. Creating a new Program...................................................................57
5.5.3. Editing a program .............................................................................57
5.5.4. Loading a program ...........................................................................60
5.5.5. Copying a program...........................................................................61
5.5.6. Deleting a program...........................................................................61
5.5.7. Delta t freezing/drying.......................................................................62
5.5.8. Pressure increase measurement during drying................................62
5.6. Process and equipment information system..................................................63
5.6.1. Process messages ...........................................................................64
5.7. Options...........................................................................................................66
5.7.1. Info....................................................................................................66
5.7.2. Display contrast ................................................................................66
5.7.3. Language..........................................................................................67
5.7.4. Changing the date and time .............................................................67
5.7.5. Maintenance of the freeze dryer.......................................................68
5.7.6. Maintenance intervals of the vacuum pump.....................................69
5.7.7. Process.............................................................................................69
5.7.8. Unlocking..........................................................................................70
5.7.9. Security.............................................................................................70
5.7.10. System calibration ..........................................................................71
5.8. Integrated brief description ............................................................................72
6. Troubleshooting 73
6.1. Power failure ..................................................................................................73
6.2. Insufficient vacuum ........................................................................................73
6.3. Unit does not work .........................................................................................74
6.4. Heating unit is not activated...........................................................................75
6.5. Fan (ice condenser chamber) is not activated...............................................75
6.6. Insufficient ice condenser temperature or shelf temperature ........................75
6.7. Process and equipment information system..................................................76
6.7.1. Error messages ................................................................................76
7. Maintenance 81
7.1. Ice condenser chamber .................................................................................81
7.2. Heat exchanger..............................................................................................81
7.3. Calibration and maintenance of the vacuum sensor VSP62 .........................81
7.3.1. Maintenance of the vacuum sensor: ................................................81
7.3.2. Replacement and calibration............................................................82
7.4. Rubber valves ................................................................................................83
iv • Contents Operating Manual Freeze Dryer ALPHA 1-4 LSC / ALPHA 2-4 LSC