Indication Of Errors - Siemens RVL481 Basic Documentation

Siemens
Building Technologies
7.4

Indication of errors

The following errors are indicated:
Number Fault
10 Fault outside sensor
30 Fault flow temperature sensor
40 Fault return temperature sensor (primary circuit)
42 Fault return temperature sensor (secondary circuit)
50 Fault storage tank temperature sensor/control thermostat 1
52 Fault storage tank temperature sensor/control thermostat 2
54 Fault d.h.w. flow temperature sensor
60 Fault room temperature sensor
61 Fault room unit
62 Wrong room unit connected
73 Fault collector sensor
81 Short-circuit on the bus (LPB)
82 Same bus address assigned several times (LPB)
100
Two clock masters on the bus (LPB)
120 Flow alarm
140 Inadmissible bus address or plant type (LPB)
If a fault occurs, the LCD displays
In interconnected plants, the address (device and segment number) of the controller
causing the fault is indicated on all the other controllers. No address will appear on the
controller causing the fault.
Example of display in interconnected plants:
The error message disappears only after rectification of the fault. There will be no ac-
knowledgement!
Heating and D.h.w. Controller RVL481
7 Function block "Enduser general"
.
50 = operating line
10 = error number
2 = segment number
03 = device number
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CE1P2541en
20.05.2008