GB-19
Alarm messages
In order to be able to perform an exact
diagnose in case of a problem the control
system is equipped with a comprehensive
fault alarm system. An alarm is thereby
always displayed and saved on the
corresponding control unit.
There are five different categories of error
messages:
1 - Sensor error messages
Sensor measuring values that are not
inside the measuring range are valued as
errors. They appear with an error message
according to their use.
2 - Error messages of the boiler control
unit
These error messages evaluate the
respective control status. They appear with
the corresponding error message,
depending on the version and allocation.
3 - Logical error messages
The error messages evaluate the expected
control result. They appear with the
corresponding error message, depending
on the version and allocation.
4 - Bus error messages
These error messages relate to address
errors such as double allocation or
unrecognised address settings inside the
data bus. They appear with the
corresponding error message, depending
on the version and allocation.
5 - Alarms from the boiler control
These error messages come from the
boiler control and are divided into
permanent faults (permanent locking) with
error code E-XX (MCBA-code) or
temporary faults (self-eliminating locking)
with fault code B-XX (MCBA-code).
The display and further processing of logical
error messages can be suppressed by a
corresponding parameter setting (see
parameter 13 – SYSTEM level – logical error
message)
Further processing of errors:
– Errors appear in the standard display of the
control
– System errors appear in the info-level at the
corresponding info-value
– If necessary, errors are transferred into the
error message level (see description below)
– At the corresponding parameter settings,
errors activate an error notification output
for connecting an optical or acoustic signal
transmitter.
– Errors are transferred to the corresponding
gateways via the data bus.
Table of error messages:
Sensors and variable inputs:
Designation Error type Code
Outdoor sensor Interruption 10-0
Outdoor sensor Short circuit 10-1
Flow sensor 1 Interruption 12-0
Flow sensor 1 Short circuit 12-1
Tank sensor Interruption 13-0
Tank sensor Short circuit 13-1
VI 2 Interruption 14-0
VI 2 Short circuit 14-1
VI 2 Error message 14-7
VI 3 Interruption 15-0
VI 3 Short circuit 15-1
VI 3 Error message 15-7
VI 1 Interruption 16-0
VI 1 Short circuit 16-1
VI 1 Error message 16-7
Buffer sensor Interruption 17-0
Buffer sensor Short circuit 17-1
Designation Error type Code
Flow sensor 2 Interruption 18-0
Flow sensor 2 Short circuit 18-1
GB
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