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SB2240 with error: MCU 'EBBCan' shutdown: ADC out of range




I just switched from the original setup to CAN with a SB2240, but I'm unable to read the extruder temperature correctly (always -109). I use a 2-wire PT100, my switches are set S1 on, the three others off. This is my config:

step_pin: EBBCan: PD0
dir_pin: !EBBCan: PD1
enable_pin: !EBBCan: PD2
gear_ratio: 50:10               #BMG Gear Ratio
microsteps: 16
full_steps_per_rotation: 200    #200 for 1.8 degree, 400 for 0.9 degree
rotation_distance: 22.4891434
nozzle_diameter: 0.400
filament_diameter: 1.750
heater_pin: EBBCan: PB13
sensor_type: Generic 3950
sensor_pin: EBBCan: PA3
control: pid
pid_kp: 21.391
pid_ki: 1.240
pid_kd: 92.247
min_temp: 10
max_temp: 280
pressure_advance: 0.02
pressure_advance_smooth_time: 0.01
max_extrude_only_distance: 101

Hope anyone has an idea what I'm doing wrong here?

Thanks in advance

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