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Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E
Landis & Staefa Division 19.04.2001
1.29 Indication of BMU error code
Straightforward checking of plant.
Fault tracing is made easier.
The controller can register and store a fault message with the error code. The faults are
indicated on this operating line.
Display Unit
0...255 Error code
The fault entry will automatically be displayed on this operating line.
Fault messages cannot be acknowledged. They disappear only if the appropriate fault
has been rectified.
The display shows the error code. If there is no fault message, or if no BMU is
connected, there will be no display.
The meaning of the different error codes depends of the make of BMU used. For this
reason, no overview of all the different error codes can be given here. For details,
please refer to the technical documentation of the relevant product.
2374Z20
The BMU displays error code 175.
If there is a BMU error code, operating line 50 also displays a general BMU fault (error
code 150).
Benefit
Description
Setting
Effect
Note
Display
Example
Note
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