diff --git a/docs/TMC_Drivers.md b/docs/TMC_Drivers.md index a0786719..ca93be10 100644 --- a/docs/TMC_Drivers.md +++ b/docs/TMC_Drivers.md @@ -303,6 +303,15 @@ mid-print. This may be due to voltage or wiring issues. driver has detected a low-voltage event and has disabled itself. This may be due to wiring or power supply issues. +It's also possible that a **TMC reports error** shutdown occurs due to +SPI errors that prevent communication with the driver (on tmc2130, +tmc5160, or tmc2660). If this occurs, it's common for the reported +driver status to show `00000000` or `ffffffff` - for example: `TMC +reports error: DRV_STATUS: ffffffff ...` OR `TMC reports error: +READRSP@RDSEL2: 00000000 ...`. Such a failure may be due to an SPI +wiring problem or may be due to a self-reset or failure of the TMC +driver. + ## How do I tune spreadcycle/coolstep/etc. mode on my drivers? The [Trinamic website](https://www.trinamic.com/) has guides on