From 1fc9d81095a647401521d3e94bf34e8d4d3a363f Mon Sep 17 00:00:00 2001 From: Timofey Titovets Date: Sun, 4 Jan 2026 22:48:23 +0100 Subject: [PATCH] docs: describe eddy error messages Signed-off-by: Timofey Titovets --- docs/Eddy_Probe.md | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/docs/Eddy_Probe.md b/docs/Eddy_Probe.md index 8d81bd88b..11069c4bc 100644 --- a/docs/Eddy_Probe.md +++ b/docs/Eddy_Probe.md @@ -144,3 +144,38 @@ to perform thermal drift calibration: As one may conclude, the calibration process outlined above is more challenging and time consuming than most other procedures. It may require practice and several attempts to achieve an optimal calibration. + +## Errors description + +Possible homing errors and actionables: + +- Sensor error + - Check logs for detailed error +- Eddy I2C STATUS/DATA error. + - Check loose wiring. + - Try software I2C/decrease I2C rate +- Invalid read data + - Same as I2C + +Possible sensor errors and actionables: +- Frequency over valid hard range + - Check frequency configuration + - Hardware fault +- Frequency over valid soft range + - Check frequency configuration +- Conversion Watchdog timeout + - Hardware fault + +Amplitude Low/High warning messages can mean: +- Sensor close to the bed +- Sensor far from the bed +- Higher temperature than was at the current calibration +- Capacitor missing + +On some sensors, it is not possible to completely avoid amplitude +warning indicator. + +You can try to redo the `LDC_CALIBRATE_DRIVE_CURRENT` calibration at work +temperature or increase `reg_drive_current` by 1-2 from the calibrated value. + +Generally, it is like an engine check light. It may indicate an issue.