Watson-Marlow qdos H-FLO Reference Manual page 5

24 Operation ....................................................................................................................... 207
24.1 Pre-operation checklist......................................................................................................... 207
24.2 Safety ...................................................................................................................................... 208
24.3 Pump operation..................................................................................................................... 209
25 Cleaning .......................................................................................................................... 214
25.1 Overview ................................................................................................................................. 214
25.2 General procedure for guidance ........................................................................................ 214
26 Maintenance .................................................................................................................. 215
26.1 Replacement pumpheads .................................................................................................... 215
26.2 Electrical maintenance ......................................................................................................... 216
26.3 Pumphead maintenance ...................................................................................................... 217
27 Errors, breakdown and troubleshooting .................................................................... 224
27.1 Section overview.................................................................................................................... 224
27.2 Errors....................................................................................................................................... 224
27.3 Error reporting ...................................................................................................................... 225
27.4 Breakdown ............................................................................................................................. 225
27.5 Troubleshooting .................................................................................................................... 227
27.6 Technical support .................................................................................................................. 230
27.7 Warranty ................................................................................................................................. 231
27.8 Product end of life ................................................................................................................. 234
28 Chemical compatibility ................................................................................................. 235
28.1 Materials of construction ..................................................................................................... 236
28.2 Procedure to check chemical compatibility ...................................................................... 240
29 Certification ................................................................................................................... 242
29.1 Compliance markings on the product ............................................................................... 242
29.2 Product certification ............................................................................................................. 243
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