Grundfos CMB Instrucciones De Instalación Y Funcionamiento página 9

Fault
17. The pump runs, but
does not deliver the
rated flow rate.
8. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Cause
a) The internal valve did not close.
Remedy
Close the tap gradually until the
pressure or flow suddenly increases.
Then open the tap gradually until the
required flow is reached.
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