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6.4.3.4. Digital Output Switch ......................................................................................................................... 44
6.5. Info ..................................................................................................................................................... 45
6.5.1. Device ......................................................................................................................................... 45
6.5.2. Boards ........................................................................................................................................ 45
6.5.2.1. Main Board ........................................................................................................................................ 45
6.5.2.2. Display Board .................................................................................................................................... 45
6.5.2.3. XPORT Module ................................................................................................................................. 45
6.5.3. Ethernet ...................................................................................................................................... 45
6.5.4. User Text .................................................................................................................................... 45
6.5.5. Pump .......................................................................................................................................... 45
6.5.6. Parts ........................................................................................................................................... 45
6.5.6.1. Seals ................................................................................................................................................. 46
6.5.6.2. Check Valves .................................................................................................................................... 46
6.5.6.3. Pistons............................................................................................................................................... 46
6.6. Diagnostics ....................................................................................................................................... 46
6.6.1. Errors .......................................................................................................................................... 46
6.6.2. Warnings .................................................................................................................................... 46
6.6.3. Power ......................................................................................................................................... 47
6.6.4. Cooling ....................................................................................................................................... 47
6.6.5. Interface ...................................................................................................................................... 47
6.6.6. Leakage State ............................................................................................................................ 47
6.6.7. Pump .......................................................................................................................................... 48
6.6.8. Solvents ...................................................................................................................................... 48
6.6.9. Pulsation ..................................................................................................................................... 48
6.6.10. Gradient State .......................................................................................................................... 48
6.7. Service ............................................................................................................................................... 49
6.7.1. Parts Replacement ..................................................................................................................... 49
6.7.1.1. Seals ................................................................................................................................................. 50
6.7.1.2. Check Valves .................................................................................................................................... 52
6.7.1.3. Pistons............................................................................................................................................... 53
6.7.1.4. Needle of Degassing/Purging Valve .................................................................................................. 53
6.7.1.5. O-ring in Degassing/Purging Valve ................................................................................................... 54
6.7.2. Calibrations................................................................................................................................. 54
6.7.2.1. Pressure Sensor ................................................................................................................................ 54
6.7.2.2. Flow ................................................................................................................................................... 54
Selection of Volumetric Flask Volume ............................................................................................................ 55
Checking Flowrate .......................................................................................................................................... 57
6.7.2.3. Gradient............................................................................................................................................. 57
6.7.3. Factory Settings ......................................................................................................................... 57
6.7.3.1. Partial Reset ...................................................................................................................................... 57
6.7.3.2. Complete Reset ................................................................................................................................. 57
6.7.3.3. Restore Factory Settings ................................................................................................................... 57
6.7.3.4. Other ................................................................................................................................................. 57
6.7.4. Special ........................................................................................................................................ 57
