en
10.1 Maintenance intervals .................................................................................................................................................................................... 80
10.2 Maintenance tasks.......................................................................................................................................................................................... 80
11 Faults, causes and remedies .................................................................................................................................................. 80
11.1 Operator responsibilities................................................................................................................................................................................ 80
11.2 Fault indication................................................................................................................................................................................................ 80
11.3 Fault acknowledgement ................................................................................................................................................................................ 80
11.4 Fault memory................................................................................................................................................................................................... 81
11.5 Error codes ....................................................................................................................................................................................................... 81
11.6 Further steps for troubleshooting ................................................................................................................................................................ 81
12 Disposal.................................................................................................................................................................................... 82
13 Appendix.................................................................................................................................................................................. 82
13.1 System impedances........................................................................................................................................................................................ 82
13.2 Overview of the symbols ............................................................................................................................................................................... 83
13.3 Overview of terminal diagrams ..................................................................................................................................................................... 84
13.4 ModBus: Data types........................................................................................................................................................................................ 86
13.5 ModBus: Parameter overview........................................................................................................................................................................ 87
48
WILO SE 2019-07