kolinger
commented
2 years ago Connected just means that serial COM port is open. This doesn't mean communication is working.
Timeout means application didn't get expected response. Application first asks for data and then waits for result. This is where timeout expires. Since this is first response then communication is likely not working at all.
Make sure UM34 is paired and you have correct serial COM port selected. If you use other available and unused serial COM where UM34 isn't then you will get exactly same response. Since unused serial COM port can be opened yet there will never be any valid response since there is no UM34 on the other end.
UM34 blinks when there is no active connection. Light should be solid or at least blinking pattern should be interrupted when application is trying to communicate. If light blinks all the time same then application doesn't reach UM34 at all and serial COM port is likely wrong.
NastyFlytrap
2022-08-07 05:07:56 - Connected 2022-08-07 05:08:06 - operation failed, retrying Traceback (most recent call last): File "webapp\backend.py", line 297, in retry File "interfaces\wrapper.py", line 48, in read File "interfaces\wrapper.py", line 61, in get_result TimeoutError
My UM34C keeps blinking blue, which usually means ready to pair. WebGUI says its connected while the meter is still waiting for a connection, and in the GUI it errors out, despite saying its connected