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Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E
Landis & Staefa Division 19.04.2001
1.30 Indication of faults
Straightforward checking of plant.
Fault tracing is made easier.
The controller indicates faults that may have occurred in the controller itself or in the
system.
In normal operation, the display shows "Er" if a fault has occurred
Display Unit
0...255 -
The first entry in the fault list will automatically be displayed on this line.
By pressing
, it is possible to switch between fault messages.
The controller can store a maximum of 2 fault messages. The faults message will be
cleared only after the cause of the fault has been removed. If additional faults are
present, they will be stored as soon as storage capacity becomes available.
Faults that can occur on the controller:
Display Description of fault
Blank No fault
10 Outside sensor
20 Boiler sensor
28 Flue gas temperature sensor
30 Flow temperature sensor 1
32 Flow temperature sensor 2
50 D.h.w. temperature sensor connected to B3
52 D.h.w. temperature sensor connected to B31
58 D.h.w. thermostat
61 Fault room unit (A6)
62 Wrong room unit (A6)
66 Fault room unit 2 (A7)
67 Wrong room unit 2 (A7)
80 No LPB communication
81 Short-circuit LPB
82 Address collision on LPB (same address several times)
86 Short-circuit PPS (A6)
87 Short-circuit PPS (A7)
100 2 clock masters present
140 Inadmissible LPB device or segment number
146 Inadmissible plant configuration
150 General BMU fault
162 Fault contact H2
Benefit
Description
Setting
Effect
Note
Fault messages
Device faults
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