Mystery MQTT/Smartthings Bridge off commands being sent to my switches

Installation Home Assistant OS
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I have some GE Z-Wave Plus switches that started turning themselves off. Couldn’t figure it out and tried several “fixes” until someone told me to check my Smartthings App log and this is what I found happening.

In this picture, you can see my porch light switch getting the “on” command at 8:46 and then some data is sent from the MQTT Bridge to HA. Then at 8:47, my HA Smartthings Bridge app (built using the instructions on how to incorporate Smartthings into HA), replies with an “off” commad.

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In this pic, you can see some additional replies.

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Here is my config code:

  • platform: mqtt
    name: “Porch Light”
    state_topic: “smartthings/Porch Light/switch/state”
    command_topic: “smartthings/Porch Light/switch/cmd”
    payload_off: “off”
    payload_on: “on”
    optimistic: false
    retain: true

This is from the Hass.io Smartthings Bridge log

info: Incoming message from SmartThings: smartthings/Porch Light/switch/state = on
info: Incoming message from SmartThings: smartthings/Porch Light/switch/state = on
info: Saving current state
info: Incoming message from MQTT: smartthings/Porch Light/switch/cmd = off
info: Incoming message from SmartThings: smartthings/Porch Light/switch/state = off
info: Incoming message from SmartThings: smartthings/Porch Light/switch/state = off

Any ideas on what’s happening?

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