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Roborock S5 - Error:104 Main brush open circuit

JR 2464 3 0

Roborock S5 - Error:104 Main brush open circuit

JR 2464 3 0

I few weeks ago I got the "Error:104 Main brush open circuit" on my Roborock S5, I factory reset the vacuum and downloaded the latest firmware again but the issue persists. anybody knows how to solve this issue?

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  • RR_SupportStaff Member

    Hi, thanks for reaching out.

    According to your description, it seems that there's something wrong with the main brush module. In this case, we suggest you contact support@roborock.com to get further assistance.

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    JR
    JR01/19/2022      01:28
    @RR_Support:

    I did, nobody answered back.

    After downgrading the firmware to 3.3.9_001748 it started to work just fine, if I upgrade the firmware to the latest version it stops working, that tells me it's a bug in the latest firmware version.

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    RR_Support
    RR_SupportStaff Member01/21/2022      08:59
    @JR:

    Hi, thanks for your reply.

    May I know which e-mail address you used to contact our support team? I didn't find any record from your current e-mail.

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