4.2.3. Adjustment of the positioning of the operating arm ........................................................................ 67
4.2.3.1 Adjusting the maximum sweep of the Z axis.................................................................................. 67
4.2.4. Adjustment of the positioning of the rotor ........................................................................................ 69
4.2.4.1. Centering of the rotor with regard to the dispensing point.......................................................... 69
4.2.4.2. Centering of the rotor with regard to the optical system.............................................................. 69
4.2.5 . Adjustment of the positioning of the filter wheel ............................................................................ 70
4.2.6. Adjustment of the level control scales .............................................................................................. 71
4.2.7. Adjustment of the level detection sensitivity .................................................................................... 71
4.3. TESTS ........................................................................................................................... 72
4.3.1. Motor tests ............................................................................................................................................ 72
4.3.1.1. Initialization test ............................................................................................................................... 73
4.3.1.2. Movement test ................................................................................................................................... 73
4.3.1.3. Loss step test ..................................................................................................................................... 74
4.3.1.4. Stress mode test................................................................................................................................ 74
4.3.1.5. Z axis security systems test .............................................................................................................. 75
4.3.1.6 Maximum Z verification test ............................................................................................................. 75
4.3.2. Diaphragm pumps and electrovalves test......................................................................................... 76
4.3.2.1. Functioning test ................................................................................................................................ 77
4.3.2.2. Stress mode test................................................................................................................................ 77
4.3.3. Needle self-centering system test ...................................................................................................... 77
4.3.4. Needle level detection system test .................................................................................................... 77
4.3.5. Needle thermostatation system test................................................................................................... 78
4.3.6. Needle rotor thermostatation system test ......................................................................................... 79
4.3.7. Photometry tests .................................................................................................................................. 80
4.3.7.1. Base line and integration times ...................................................................................................... 80
4.3.7.2. Darkness counts ................................................................................................................................ 82
4.3.7.3. Repeatability without moving the filter wheel .............................................................................. 82
4.3.7.4. Stability.............................................................................................................................................. 83
4.3.7.5. Repeatability moving filter wheel .................................................................................................. 83
4.3.7.6. Absorbance measurement............................................................................................................... 84
4.3.7.7. Reactions rotor check....................................................................................................................... 84
4.3.8. Level control scales test ..................................................................................................................... 85
4.3.9. Racks and covers detection test......................................................................................................... 85
4.3.10. PC-Analyzer communications channel test .................................................................................... 86
4.3.11. Global stress mode of the analyzer ................................................................................................. 86
4.4. UTILITIES ...................................................................................................................... 87
4.4.1. Disassembly of the dispensing needle .............................................................................................. 87
4.3.2. Fluid system supply ............................................................................................................................. 88
4.3.3. Cleaning of the dispensing system .................................................................................................... 89
4.3.4. Changing the lamp .............................................................................................................................. 89
4.3.5. Configuration of the filter wheel ........................................................................................................ 90
4.3.6. Demonstration mode ........................................................................................................................... 90
4.4.7 Read/load adjustments and cycles ..................................................................................................... 91
4.5. REGISTER..................................................................................................................... 92
4.5.1. Introducing the analyzer serial number............................................................................................ 93
4.5.2. Service Reports.................................................................................................................................... 93
4.5.3. Language change................................................................................................................................ 94
4.5.4. Users...................................................................................................................................................... 94
4.6. MONITOR....................................................................................................................... 94
4.7 User’s program..............................................................................................................95
4.7.1 Configuration of the level of access to the analyser......................................................................... 95
4.7.2 Reagent Consumption .......................................................................................................................... 97
5. MAINTENANCE AND CLEANING..................................................... 99
5.1. MAINTENANCE OPERATIONS .................................................................................... 99
5.1.1. Housings and covers ........................................................................................................................... 99
5.1.1.1. Removing the arm housing ............................................................................................................. 99
5.1.1.2. Removing the front housing ............................................................................................................ 99
Service Manual
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