---
tag: m0912
title: Clear TMC OT Pre-Warn
brief: Clear overtemperature pre-warn condition flag
author: thinkyhead

requires: TMC2130|TMC2208|TMC2209|TMC2660, MONITOR_DRIVER_STATUS
group: control

codes: [ M912 ]

notes: Requires one or more TMC stepper drivers.

parameters:
  -
    tag: I
    optional: true
    since: 1.1.9
    description: Stepper number to set. If omitted, all specified axes.
    values:
      -
        tag: 0
        description: Both.
      -
        tag: 1
        description: Base (X, Y, Z) steppers.
      -
        tag: 2
        description: Second (X2, Y2, Z2) steppers.
      -
        tag: 3
        description: Third (Z3) steppers.
  -
    tag: X
    type: int
    optional: true
    description: Clear `X` and/or `X2` stepper driver Over Temperature Pre-warn flag.
  -
    tag: Y
    type: int
    optional: true
    description: Clear `Y` and/or `Y2` stepper driver Over Temperature Pre-warn flag.
  -
    tag: Z
    type: int
    optional: true
    description: Clear `Z` and/or `Z2`  and/or `Z3` stepper driver Over Temperature Pre-warn flag.
  -
    tag: E
    type: int
    optional: true
    description: Clear all or one `E` stepper driver Over Temperature Pre-warn flag.
    values:
      -
        tag: "-"
        description: All E.
      -
        tag: 0-4
        description: E index.

examples:
    -
      code: |
            M912     ; clear all
            M912 X   ; clear X and X2
            M912 X1  ; clear X1 only
            M912 X2  ; clear X2 only
            M912 X E ; clear X, X2, and all E
            M912 E1  ; clear E1 only

---

Clear the stepper driver overtemperature pre-warn condition flag.