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Siemens Basic Documentation RVP340, RVP350, RVP351 CE1P2545en
Building Technologies 7 Function block: End-user general 15.03.2011
7.4 Faults
The following faults are displayed:
Number Error
10 Fault outside sensor B9
20
Fault boiler sensor B2
30
Fault flow sensor B1
40
Fault primary return sensor B7
50
Fault storage tank sensor/thermostat B31
52
Fault storage tank sensor/thermostat B32
60
Fault room sensor B5
61
Fault room unit A6
62
Device with wrong PPS identification connected
73
Fault collector sensor B6
81*
Short-circuit on data bus (LPB)
82*
2 devices with the same bus address (LPB)
86
Short-circuit PPS
100*
2 clock masters on the data bus (LPB)
140*
Inadmissible bus address (LPB)
* These fault displays are only possible with RVP340 and RVP350
If a fault occurs, the LCD displays Er.
In interconnected plants, the address (device and segment number) of the control-
ler causing the fault is displayed on all the other controllers. But no address ap-
pears on the controller that caused the fault.
Example of display in interconnected plants:
50
20
06
02
= operating line
= error number
= segment number (LPB)
= device number (LPB)
The error message disappears only after the fault has been rectified. There is no
acknowledgement!
28


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