HMS error: 0300-0d00-0002-0001 what does it mean and how to fix it? [P1S]

25 Aug 18:07

2 min. read

heheprint

@heheprint

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Why does HMS error occur: 0300-0D00-0002-0001?How to fix the situation

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Saw HMS error: 0300-0d00-0002-0001 on her P1S.

This code means: Heatbed homing abnormal <TAG1> anomaly in heated platform homing. In simple words, the printer cannot correctly determine the zero point along the Z axis, which is why the printing does not start.

What is homing?

Homing (homing) is the process in which a 3 D printer determines the initial coordinates (zero points) of all axes. When you press Home, the head and platform move towards the stops or sensors so that the controller knows exactly where they are.

For axis Z homing is especially important, because the distance between the nozzle and the table determines the quality of the first layer. If the nozzle is too high – the plastic does not stick, if too low – the surface or the head itself may be damaged.

Why does HMS error occur: 0300-0D00-0002-0001?

There are several main reasons:

Dirty nozzle - plastic residues prevent the sensor from feeling the surface correctly.
Inequalities or swelling on the platform - build plate can be damaged or deformed.
Incorrectly installed platform - even a small skew causes a failure.
Mechanical obstacles - debris or faulty bearings on Z-axis guides.
Firmware or calibration errors - less often, but happen after the update.

How to fix the situation

Turn off the printer completely (better pull out the power cable for a minute) and turn it on again.
Check the nozzle - clean any remaining plastic, make cold-pull or gently wipe.
Remove build plate -make sure she's flat, no bloating or damage.
Install the platform againso that she sits tightly in place without a skew.
Run Self-test in the printer menu, it will show whether the zero detection system is working correctly.

Error HMS: 0300-0D00-0002-0001 on Bambu Lab P1S means that the printer cannot correctly find the position (home) along the Z axis. Most often, the problem is solved simply: cleaning the nozzle and reinstalling the platform.

In my case, it was necessary to remove a piece of plastic that was on the sock. My nose gets dirty in cases where the plastic runs out during printing. I want to find a custom G-code that would add a knife clean before printing resumes.