Emerson Rosemount MCL-220 Reference Manual page 6

Contents
May 2019
Chapter 8 Maintenance................................................................................................................ 63
8.1 Replace sensor circuit board........................................................................................................... 63
8.2 Monochloramine sensor................................................................................................................. 64
8.3 Constant head flow controller........................................................................................................ 66
Chapter 9 Troubleshoot............................................................................................................... 69
9.1 Overview........................................................................................................................................ 69
9.2 Use the diagnostic feature.............................................................................................................. 69
9.3 Troubleshooting when a Fault message is showing.........................................................................70
9.4 Troubleshooting when a Warning message is showing................................................................... 74
9.5 Troubleshooting when no error message is showing...................................................................... 75
9.6 Troubleshooting when no error message is showing - general........................................................ 79
9.7 Simulate inputs.............................................................................................................................. 80
9.8 Simulating temperature................................................................................................................. 81
Appendix A EU Declaration of Conformity....................................................................................... 85
Appendix B China RoHS Table......................................................................................................... 87
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