After updating the LZW31 switch with the latest firmware, my switch appears to be malfunctioning.
Smartthings shows it as online, but the switch is no longer working. Physically pressing the buttons on the switch do not turn my lights on or off. The LED indicator does not light up.
This is not in a 3-way configuration.
The IDE shows the device communicating ‘moments ago’
PC Controller is hit or miss. sometimes I’m able to GET info when on the OTA update window, sometimes it errors out with ‘OTA Firmware Update initialization failed’
Updating was done using an Aeotec USB, using the SmartThings secondary controller method.
I updated Target 0 first using LZW31_1.57.otz, and target 1 using LZW31_1.44.bin
Have you tried pulling the air gap, then waiting for a few seconds (or more) and putting it back in? Or just power cycling it from the breaker if you aren’t confident in the air gap. The idea is to “reboot” the dimmer.
Double check to ensure you flashed the proper firmware. There is separate firmware for the LZW31 and LZW31-SN. It’s worth quickly checking.
As the firmware was updating, did you watch the packet count as it was updating to ensure it completed? There have been reports of updating via the secondary controller method hanging.
When you flashed the .bin in particular did you see the packet count scroll? I find that it can take more than one try to flash the .bin. Sometimes it looks as if it runs but no packet count displays. Trying it a 2nd time typically gets it.
Try a factory reset of the dimmer. Long press the config until it turns red.
If you have to reflash, you might consider flashing with the PC Controller in a standalone mode. Exclude the dimmer from ST and add it to the controller directly.
Back of the device also says dimmer switch model no lzw31
I did see the packet count go all the way to the end, watched it on both the otz and bin
I have tried the factory reset, but not really sure if it happened since the LED light doesn’t work, but i will try it again.
As for reflashing using the standalone method, do you know of any links for how to reset PC Controller app? I considered trying the standalone option, but not sure how to remove the USB association from smart things (in the PC Controller App). I still see all my SmartThings devices as slaves.
I tried a removal and setting up as stand alone, but now i see multiple instances of the PC Controller
Thanks everyone so far.
I’ve managed to get the PC Controller into standalone mode
However, it seems I can’t get the switch to pair with it.
I’ve clicked Add on PC Controller, and then rapidly pressing the config button, but the add process times out.
I’ve tried the factory reset, but with no LED I can’t tell what’s happening with the device and whether its actually reset or not.
Using the PC Controller, try excluding it first. If it’s still paired to the ST hub, at least from it’s perspective, it won’t pair with the PC Controller unless you can exclude it first. Exclude button, then 3x config press.
Good reminder. When you first add the switch and get the “Preparing Inclusion” dialog, you want to select “Cancel”. If you are already doing that, then perhaps the S0 version may work.
I tried resetting the controller, held the config button for a minute, then re-added it.
It’s very difficult to get a good angle, but here is the back of the switch: