Emerson Rosemount FCL Reference Manual page 6

Contents
May 2019
Chapter 8 Maintenance................................................................................................................ 41
8.1 Replace sensor circuit board........................................................................................................... 41
8.2 Chlorine sensor...............................................................................................................................42
8.3 pH sensor....................................................................................................................................... 44
8.4 Constant head flow controller........................................................................................................ 44
Chapter 9 Troubleshoot............................................................................................................... 49
9.1 Overview........................................................................................................................................ 49
9.2 Reading and troubleshooting Fault and Warning messages............................................................49
9.3 Sensor diagnostics..........................................................................................................................50
9.4 Troubleshooting calibration problems............................................................................................50
9.5 Other troubleshooting - chlorine.................................................................................................... 51
9.6 Other troubleshooting - pH............................................................................................................ 53
9.7 Other troubleshooting - general..................................................................................................... 55
9.8 Simulate inputs - chlorine............................................................................................................... 56
9.9 Simulating inputs - pH.................................................................................................................... 57
9.10 Simulating inputs - temperature...................................................................................................58
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Reference Manual
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