First, you may lower the run_current for the Z and Y steppers:
...
TMC 'stepper_z' reports DRV_STATUS: 80170101 otpw=1(OvertempWarning!) t120=1 cs_actual=23 stst=1
...
TMC 'stepper_y' reports DRV_STATUS: 80150101 otpw=1(OvertempWarning!) t120=1 cs_actual=21 stst=1
...
And there is this:
b'Got EOF when reading from device'
More on this here:
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