Siemens RVL481 Installationsanleitung Seite 49

Settings on the "Heating engineer" level
Press and simultaneously for 3 seconds to activate the "Heating engineer" level for
selecting the plant type and the plant-related variables.
Building Technologies
10 = error code
2 = segment number (data
bus address)
03 = device number (data bus
address)
74 319 0618 0 a
42 = fault flow or boiler tem-
perature sensor (secon-
dary circuit)
50 = fault d.h.w. storage tank
temperature sensor /
thermostat 1
52 = fault d.h.w. storage tank
temperature sensor /
thermostat 2
54 = fault flow temperature
sensor for d.h.w.
60 = fault room temperature
sensor
61 = fault room unit
62 = wrong room unit con-
nected
73 = fault collector sensor
81 = short-circuit on data bus
(LPB)
82 = same bus address used
several times
100 = two clock masters on the
data bus (LPB)
120 = flow alarm
140 = inadmissible bus address
(LPB) or plant type
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