hello, im trying to use a marzocco e.1.005 temp probe on a 2 boiler system. the display reads 32f and does not change with water temp. ive uploaded new versions to 1.1 to both master and slave boards. also verified change in resistance at the green connector temp2 rtd- rtd+ . Not sure where to trouble shoot further. what pins on the esp32 correspond with rtd+/- temp2, maybe there is a bad trace on the board
jumpers are placed correctly according to the document
Hello, apparently the marzocco e.1.005 probe is a PT1000 style sensor. So it should be compatible. The ESP32 doesn't see the temp probes directly. The temp probes interface with the MAX31865 IC and then the data is passed to the ESP32.
Here is how I'd troubleshoot the issue
If you have a spare PT100 or PT1000 probe, try connecting it to the SM board.
Check the jumpers are correctly configured for the type of probe you are using.
Check the temp probe is enabled in the software.
If you have tried all of the above, you can return the board to me for inspection. If it is a faulty board from the factory, then I will send a replacement.