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Siemens Building Technologies Basic Documentation RVD110, RVD130 CE1P2381E
HVAC Products 4 Acquisition of the measured values 27.05.2004
fault status message will always be generated. In that case, the controller’s LCD will
display Er
• When used as a heating circuit flow temperature sensor (plant type no. 8):
If there is a fault in the sensor’s measuring circuit (short-circuit or open-circuit), a
fault status message will always be generated. The heating circuit’s mixing valve will
close and the circulating pump remains activated. The controller’s LCD will display
Er
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