3
Contents
Page
Start, Operation, Alarm and Test
NRS 1-40.1 .......................................................................................................................................... 19
System Malfunctions
Causes ................................................................................................................................................. 21
Systematic fault finding procedure for system malfunctions.................................................................. 22
Fault finding list for troubleshooting system malfunctions: Limiters 1–4 ............................................... 24
Fault finding list for troubleshooting system malfunctions: Control Unit ................................................. 25
Action against high frequency interference ........................................................................................... 25
Replace control unit.............................................................................................................................. 26
Check installation and performance
Check switchpoints............................................................................................................................... 26
Malfunctions
Fault finding list for level electrode NRG 1.-40 / control unit NRS 1-40.1............................................... 27
Fault finding list for level electrode NRG 1.-41.1 / control unit NRS 1-40.1............................................ 28
Fault finding list for temperature transmitter TRV 5-40 / control unit NRS 1-40.1.................................. 28
Emergency Operation
Emergency operation of water level limiting system LW ........................................................................ 29
Annex
CAN bus ............................................................................................................................................... 30
Factory set node IDs ............................................................................................................................. 30
Node ID ................................................................................................................................................ 31
Change node ID .................................................................................................................................... 31
Table Node ID ....................................................................................................................................... 32
Decommissioning ................................................................................................................................. 32
Disposal ............................................................................................................................................... 33
Declaration of Conformity ..................................................................................................................... 33
(36 pages)
(2 pages)
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