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- Simple and fast control of the installation.
- Error detection aided
'HVFULSWLRQ The RVA47.320 can save and memorize an error message by the BMU and displays
the BMU No. and the corresponding error code. The errors are displayed on this line.
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- Press the line selection buttons to select programming line 49.
- Press the plus / minus buttons to select the individual BMUs.
(IIHFW The number of the lowest connected BMU number containing a fault entry will
automatically be displayed on this line.
Note:
Error messages cannot be acknowledged. They disappear only if the appropriate fault
has been rectified.
'LVSOD\ The display shows the BMU number and the associated error code. When none of the
connected BMUs delivers a message error, or when no BMU is connected, there will be
no display.
The meaning of the different error codes depends on 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 respective product.
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BMU 1 displays error code 175.
- Note:
If there is a BMU error code, operating line 50 also displays a general BMU fault (error
code 150).
'LVSOD\ 8QLW
1...4 / 0...255 BMU number / error code
04
812162024
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175 LGM (BMU) No.i :
- non connected
- badly connected (check the polarity of connection ST24)
- fault (see paragraph 1 - section XI - OPERATING FAULTS)
1 LGM (BMU) No.i :
- has no more boiler sensor
- has no more overheating safety device
- fault (see paragraph 1 - section XI - OPERATING FAULTS)
L
indice
BMU
Code
d’erreur
BMU
index
Error
code
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