Check out this thread? It has links to images of voltage test points. https://tvwbb.com/threads/new-build-blower-and-damper-not-running.83489/#post-924437
Did you clean flux off with isopropyl alcohol?
I'm guessing the Heatermeter config password is hidden.
This is what Steve_M said earlier in case you missed it:
"If you don't know the password to get into the config page to make changes, you can still get access to the HM configs by going to:
http://<ip-of-heatermeter>/luci/lm/conf
This...
It's been awhile since I have used my uds but remember using this post as a starting point. https://tvwbb.com/threads/my-hm-build-for-uds.70981/post-789913
Here is the wiki that explains how to upgrade firmware. Get the latest snapshot. https://github.com/CapnBry/HeaterMeter/wiki/Upgrading-HeaterMeter-Software
Just checked out the Thermoworks site and they have a site wide 18% off. Also they sell an extension cable for probes thought I might stick it permanently through a grommet on UDS. Thanks for pointing them out!
The lower duplicate graph shows a longer amount of time then the main graph. The upper lines correspond with the fan and servo damper outputs based on your setup of what percentage they turn on and ramp up. I think if I remember right. The light more transparent blue PID percentage, dark blue...