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- Detection of BMU errors,
- Simplified control of the installation,
- Disorder localisation tool.
'HVFULSWLRQ Display of the BMU disorders transmitted via PPS communication. These displays are
reproduced in their original form.
The signal is transmitted via digital PPS communication via terminal A6 to the regulator.
This display is only possible if a BMU generates the corresponding signal.
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- Using the line selection buttons, choose programming line 60.
- Use the + / - buttons to select the desired input signal.
(IIHFW Access to this programming line brings about the automatic display in digital form of the
error code transmitted by PPS communication.
A transmitted error code automatically generates error message 150 in the regulator
error display, line 50.
(UURUFRGH The exact meaning of the display and the measures that must consequently be taken
must be looked up in the error list of the connected heat generators.
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blank No fault
1..255 Error code
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
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