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Message “Pb Button” or “DS2422” or “No Button”



When missionning or reading a Button, the message “Pb Button” or “DS2422” or “No Button” is displayed.

There is a high probability that the button is defective. Possible reasons are :

  • No more lithium in the Button (no more battery).
  • The button was exposed to a temperature outside its operating range (too high temperature).
  • Water ingress the button (prolonged immersion and/or immersion at high temperature).
  • Big mechanical shock on the button


The button must be changed. The battery cannot be replaced. Contact your distributor or Plug and Track at thermotrack@proges.com

Updated on 26/01/2022

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