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my sensors are dying all ?!


dirkies
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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

 

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@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
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  • 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.

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