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8.3 Temperature monitoring
Should a deviation arise in a control circuit that is greater than 10 °C for longer than 30 min
-
utes, the bit D12 is automatically set in the error status register.
If this function is not required, configure FB36 = ON, select “steig“ and leave the input BE8
unswitched.
8.4 Error status register
The error status register is used to indicate controller or system errors. In modem operation with
Dial-up also upon corrected fault
function, any change instate of the error status register causes
the building control station to be dialed.
BITMAP error status register (FSr)
Number = Bit no. in HR 0 123456789101112131415
A set bit is indicated by on the
right of number 2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
2
10
2
11
2
12
2
13
2
14
2
15
Sensor breakage D_0
Default values read D_1
DHW set point not reached D_2
Mode switch HK faulty D_3
Mode switch DHW faulty D_4
1)
BE1 = active + (FB43 = ON) D_5
1)
BE2 = active + (FB42 = ON) D_6
1)
BE3 = active + (FB41 = ON) D_7
1)
BE4 = active + (FB40 = ON) D_8
1)
BE5 = active + (FB39 = ON) D_9
1)
BE6 = active + (FB38 = ON) D_10
1)
BE7 = active + (FB37 = ON) D_11
1)
BE8 = active + (FB36 = ON) D_12
Data error alarm from WMZ D_13
Meter bus communication error D_14
Unauthorized access D_15
1)
The binary inputs BE1 to BE8 appear in the error status register whenever the associated function
block FB_ = ON
EB 5476 EN 65
Operational faults