Metrohm 732 IC Detector - Manual (Page 4)

Table of contents
732 IC Detector / 733 IC Separation Center
III
4.6 Triggering of functions ........................................................................103
4.6.1 keys ............................................................................. 103
4.6.2 keys........................................................................ 104
4.6.3 key ............................................................................ 105
4.6.4 key ................................................................... 106
4.6.5 key............................................................................ 106
4.6.6 key..................................................................... 106
4.7 Programming .........................................................................................107
4.7.1 key.................................................................... 107
4.7.2 key..................................................................... 114
4.7.3 key........................................................................... 114
4.7.4 key ...................................................................... 117
4.8 Data output.............................................................................................119
4.8.1 key............................................................................ 119
4.8.2 key............................................................................. 122
4.8.3 key........................................................................ 124
4.9 Examples of methods...........................................................................126
4.9.1 Cation determination with Metrosep Cation 1-2........................ 126
4.9.2 Anion determination with Metrosep Anion Dual 2..................... 129
5 Notes – Maintenance – Faults
...................................
133
5.1 Practical notes on ion chromatography............................................133
5.1.1 Separating columns .................................................................. 133
5.1.2 Pumps ....................................................................................... 134
5.1.3 Eluents....................................................................................... 135
5.1.4 Suppressor module................................................................... 136
5.1.5 Connections .............................................................................. 136
5.2 Maintenance and servicing..................................................................136
5.2.1 General information................................................................... 136
5.2.2 Passivation ................................................................................ 137
5.2.3 Recycling................................................................................... 137
5.2.4 Shutdown................................................................................... 137
5.2.5 Changing separating columns.................................................. 138
5.2.6 Regeneration of the suppressor................................................ 140
5.2.7 Cleaning the suppressor........................................................... 141
5.2.8 Replacing the suppressor ......................................................... 143
5.3 Faults and malfunctions ......................................................................145
5.3.1 Error messages ......................................................................... 145
5.3.2 Malfunctions and their rectification ........................................... 148
5.4 Diagnostic tests.....................................................................................149
5.4.1 General ...................................................................................... 149
5.4.2 Preparing instruments ............................................................... 150
5.4.3 Checking working memory (RAM) ............................................ 151
5.4.4 Check keypad ........................................................................... 151
5.4.5 Check display............................................................................ 152
5.4.6 Check RS232 interface.............................................................. 153
5.4.7 Check remote interface ............................................................. 154
5.4.8 Internal hardware test................................................................ 155
5.4.9 Initialize data memory................................................................ 157
5.5 Validation / GLP.....................................................................................159