Question – How do I update my Grundfos bluetooth dongle?
Answer: To update the dongle, follow the directions below while logged on to https://product-selection.grundfos.com/front-page.html?qcid=505831171
Connect remote with a micro USB cord and type part number “98046408” in search window.
Under Support Files menu, select M301 Update Tool and press open button.
Will show download percentage until completed. If you need assistance, contact your local wholesaler or Grundfos rep agency.