The error
This error shows the fact that there is no pump placed to provide the necessary flow to the production unit/end unit/valves.
This can happen with a multitude of different components. The errors are as follows:
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No pump for
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Gate X of this buffer
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the ventilation cooling unit
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this changeover on the cooling/heating side
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this end unit
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this production unit
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No pump in recirculation circuit
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No pump on primary side of mixing circuit
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No pump on secondary side of the second heat exchanger
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No pumps over this control valve
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Pump missing on
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Primary/secondary side of heat exchanger
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Primary/secondary side of heat pump booster
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Primary/secondary side of the hydraulic separator
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