D4 Drives Off Step
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D4 Drives Off Step
My Neato D4 Connected consistently drives off a step to a living area. I have cleaned the drop sensors and replaced them with drop sensors I had from a parts D3 that I had available. The issue continues. Any suggestions on next steps to troubleshoot?
- CodaCM
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Re: D4 Drives Off Step
Welcome to Robotreviews!neato20547893 wrote: ↑January 28th, 2025, 11:19 am My Neato D4 Connected consistently drives off a step to a living area. I have cleaned the drop sensors and replaced them with drop sensors I had from a parts D3 that I had available. The issue continues. Any suggestions on next steps to troubleshoot?
Every neato I have ever used has had drop sensor issues. It’s just a common failure point on them. I did read something that if one fails it will cause issues with the whole drop system. I would be more help if I knew how to fix it but I’m sorry I don’t really know for stuff like that.
CodaCM
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Most "Active" Forum Mod

Roomba Discovery 2x - 2010
Roomba 410 - 2022
Roomba 880 - 2022
Roomba 536 - 2015 (Left wheel broke)
Scooba 330 - 2023 (totally fine just bad battery)
Neato Botvac D85 - 2021 (Dead Mobo)
Neato XV Signature - 2023 (Dead Mobo ) I totally did not cause it

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Re: D4 Drives Off Step
I think the Neato diagnostic tools Neato Toolio or Neato Control can report signals from the drop sensors and determine whether they are defective. But they are read by components on the system board which might have a defective part. Skilled technicians might be able to trace the signal from the sensors through to the cpu and possibly locate a defective part. Boards are not designed for component level repairs but as posted here some skilled people, often engineers, do so. Replacement boards are often listed on Ebay. The sensors themselves are standard components, actually the same as used for the wall sensor. Their output can be observed with a volt meter.