Waters 2489 - Page 13

Table of Contents xiii
4 Maintaining the Detector ..................................................................... 4-1
Contacting Waters Technical Service .......................................................... 4-2
Maintenance considerations .......................................................................... 4-2
Safety precautions ........................................................................................... 4-2
Spare parts....................................................................................................... 4-2
Proper operating procedures ......................................................................... 4-3
Removing the front left panel cover................................................................ 4-3
Routine maintenance....................................................................................... 4-4
Maintaining the flow cell ................................................................................ 4-4
Flushing the flow cell....................................................................................... 4-5
Removing and cleaning the flow cell............................................................... 4-6
Disassembling and reassembling the flow cell............................................... 4-6
Before you begin .......................................................................................... 4-6
Tools required .............................................................................................. 4-7
Removing the flow cell assembly ................................................................ 4-7
Disassembling the flow cell ...................................................................... 4-10
Inspecting, cleaning, and replacing damaged flow cell components ...... 4-13
Rebuilding the flow cell ............................................................................. 4-13
Replacing the flow cell .............................................................................. 4-15
Replacing the lamp ......................................................................................... 4-16
Lamp characteristics ................................................................................. 4-16
Lamp energy and performance ................................................................. 4-16
When to replace the lamp ......................................................................... 4-17
Removing the lamp........................................................................................ 4-18
Installing the new lamp................................................................................. 4-21
Recording the new lamp serial number........................................................ 4-23
Setting the lamp threshold............................................................................ 4-25
Replacing fuses ................................................................................................ 4-26
5 Error Messages, Diagnostic Tests, and Troubleshooting ............. 5-1
Error messages .................................................................................................. 5-2
Startup error messages ................................................................................... 5-2