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clarifying the docs

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Maxime
2026-04-13 13:40:02 +02:00
parent cad03eb0c5
commit b7da03fd1c
1 changed files with 9 additions and 3 deletions
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docs/source/feetech.mdx
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@@ -10,11 +10,17 @@ If during calibration you encounter an error like this:
ValueError: Magnitude 2816 exceeds 2047 (max for sign_bit_index=11)
```
The firmware may be overflowing and returning incorrect position readings.
Or
**Quick fix:** Unplug both the AC power and USB cable, then reconnect them. This should give you correct position readings again.
```bash
RuntimeError: Some motors have invalid position readings {'wrist_roll': 6015}, which can lead to incorrect homing offsets.
```
If the issue persists, reset the positions of the motors:
The firmware may be overflowing and returning incorrect position readings (usually they should sit within [0, 4095]).
**Quick fix:** Try to disconnect the robot's AC power and USB cable, move it to the middle of its range of motion, then reconnect and rerun the calibration script. This should give you correct position readings again.
If the issue persists, you can try to reset the positions of the motors:
1. Complete the first 4 steps of the motor firmware update process
2. Select the _Programming_ tab