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docs: Note stealthchop can cause overcurrent error in TMC_Drivers.md 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2021-04-24 12:30:27 -04:00
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@ -425,6 +425,13 @@ indicates the driver has disabled itself because it detected very high
current passing through the driver. This may indicate a loose or
shorted wire to the stepper motor or within the stepper motor itself.
This error may also occur if using stealthchop mode and the TMC driver
is not able to accurately predict the mechanical load of the motor.
(If the driver makes a poor prediction then it may send too much
current through the motor and trigger its own over-current detection.)
To test this, disable stealthchop mode and check if the errors
continue to occur.
**TMC reports error: ... reset=1(Reset)** OR **CS_ACTUAL=0(Reset?)**
OR **SE=0(Reset?)**: This indicates that the driver has reset itself
mid-print. This may be due to voltage or wiring issues.