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    Detect Z-Wave Controller Failure

    I want to create an event that tells me if the Z-Wave controller is not working correctly (some form of watchdog). I have Z-net. Can someone receommend how? I currently ping the z-net but this doesn't confirm the Z-Wave controller is actually fully functional.

    #2
    I have an "extra" switch that I switch off then on, by a recurring event every 5 minutes. I have a second event that triggers an error message if that device ever goes "unknown" state.

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      #3
      Originally posted by BobSpen View Post
      I have an "extra" switch that I switch off then on, by a recurring event every 5 minutes. I have a second event that triggers an error message if that device ever goes "unknown" state.
      That sounds sensible. You would of thought there's some kind of Z-wave controller error handling triggers available like comms error, network state, failure etc..

      Have you done any kind redundancy Z-wave? i.e if the Main controller fails, can a secondary controller take over..

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        #4
        That would be above my pay grade; but a wonderful idea if someone can make it work.

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          #5
          Originally posted by BobSpen View Post
          I have an "extra" switch that I switch off then on, by a recurring event every 5 minutes. I have a second event that triggers an error message if that device ever goes "unknown" state.
          How do you specify "unknown" in an event? The reason I ask is that i had one of lock indicate Status = Unknown, but Device value = 0 which happens to be a legitimate value and the last known state.
          In other words, how does one trigger on Status instead of Device value?

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            #6
            I mis-stated, the actual trigger, for my Leviton switch, is a "An Error or Invalid State" which is in the drop-down for that switch. There is also an "Unknown(Value)".

            If something is like "Error....Invalid" is not on the drop-down for your device, look at he device page status-value pairs(Status Graphics tab) and see if there is a value assigned to "Error,,,Invalid".

            You also could try removing power from the lock, then send a command and see what value is set in the HS device.



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              #7
              Originally posted by BobSpen View Post
              You also could try removing power from the lock, then send a command and see what value is set in the HS device.


              BobSpen you read my mind. After I posted my question I was like "duh! I can reproduce node unreachable just by taking the batteries out."

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                #8
                Also worth noting is there are two ways a device can become “Unknown”. One is if the status goes to Unknown and the other when hs.DeviceInvalidValue = True. The latter will not show in the Status/Value of the device, only in the PED for the device. The Error/Unknown trigger is by the PED data.

                This thread may help.

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                  #9
                  Originally posted by rprade View Post
                  Also worth noting is there are two ways a device can become “Unknown”. One is if the status goes to Unknown and the other when hs.DeviceInvalidValue = True. The latter will not show in the Status/Value of the device, only in the PED for the device. The Error/Unknown trigger is by the PED data.

                  This thread may help.
                  Thanks Randy, always appreciate your history and knowledge of HS.

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