Jump to content

Welcome to Smart Home Forum by FIBARO

Dear Guest,


as you can notice parts of Smart Home Forum by FIBARO is not available for you. You have to register in order to view all content and post in our community. Don't worry! Registration is a simple free process that requires minimal information for you to sign up. Become a part of of Smart Home Forum by FIBARO by creating an account.


As a member you can:

  •     Start new topics and reply to others
  •     Follow topics and users to get email updates
  •     Get your own profile page and make new friends
  •     Send personal messages
  •     ... and learn a lot about our system!



Smart Home Forum by FIBARO Team

  • 0

my sensors are dying all ?!



Very strange observation I need to get some feedback on:


I have in total 5 FGK-101 sensors in my house, all having wired up a DS18B20 temp sensor connected. Worked fine for more than 2 years. Now I started noticing once the battery died, the sensors went offline. So far normal. 

However, no matter what battery I put in to replace the depleted one, one sensor did not switch on last year, but lack of time I never digged deeper, thinking something was not right with replacement battery.

However, 2 sensors "died" last week, and now 4 out of 5 sensors remain DEAD, no blue led when new battery is inserted, nothing. Tried several brands (always ER14250 3,6V batteries), check with a voltage meter the batteries are giving 3,6V, even switched a battery from a working sensor into a dead one (no effect), and vice versa (new battery from dead sensor >works fine in (last) working sensor).

With or without temp sensor connected, no difference, unit remains completely switched off. So cannot even reset them as they are not powering on at all.


What is going on here? Are these sensors all dead? If so, not very high quality if you need to replace them once the battery is depleted!!

I am out of ideas other than to replace them, or just abandon them completely.


Thanks for any suggestions


Link to comment
Share on other sites

2 answers to this question

Recommended Posts

  • 0

@dirkies indeed strange ... did you already tried the reset procedure?


Resetting the Fibaro Door/Window Sensor
There is one way to reset the Fibaro Door/Window Sensor. The procedure cleans its EPROM memory, including the main controller and Z-Wave network data.
To reset the Fibaro Door/Window Sensor please follow below instructions:
1) Take off the Sensor's cover and remove battery. Make sure the TMP button is intact.
2) Touch the Sensor's body with a magnet,
3) Insert the battery,
4) Remove the magnet from the Sensor's body, 5) Remove the battery
6) Re-install the battery,
7) Reset will be confirmed by double LED blink.



Edited by Sjekke
Link to comment
Share on other sites

  • 0
  • Inquirer
  • Hi, yes I tried but since the unit does not respond at any time there's not much to do, as if it doesn't even see the battery.

    Link to comment
    Share on other sites

    Join the conversation

    You can post now and register later. If you have an account, sign in now to post with your account.

    Answer this question...

    ×   Pasted as rich text.   Paste as plain text instead

      Only 75 emoji are allowed.

    ×   Your link has been automatically embedded.   Display as a link instead

    ×   Your previous content has been restored.   Clear editor

    ×   You cannot paste images directly. Upload or insert images from URL.


    • Create New...