Problem with extruder heating

[DDB23456]

Printer Model

Voron 0.2

Extruder Type

Other

Cooling Type

Stealthburner

Hi,
I bought a A Siboor 0.2 Kit and since then I upgraded the printer to SKR Pico with raspberry pi 3B and Canbus from Bigtreetech EBB36, It all worked perfectly.
Last week I made a stupid mistake and melted my printhead...
Luckily, I had the needed spare parts so I assembled a new toolhead.
However, since then, the extruder wont heat up past 170 degrees.
I tried changing the extruder head, connecting the extruder directly to the Board (SKR Pico) without change.
I'm attaching a screenshot of the temperature graph right before the error, A screenshot of the error and the Printer.CFG file.

Did someone encounter a similar error?

Thank you!

​

 

[NoGuru]

Maybe a broken wire or bad terminal connection on the heater or thermister.

 

[DDB23456]

Thank you!
I changed the heater the thermistor and tried to bypass the canbus with no change in behavior.

 

[NoGuru]

Assuming you redid the PID tune, the only thing left is the Pico. I would change it out.