Xiaomi Mi Robot Vacuum SDJQR02RRError 1Error 1 — cause and how to fix it
Error code: Error 1
Your Xiaomi Mi Robot Vacuum (1st gen) 'Error 1' means its laser distance sensor (LDS) isn't working right.
How to fix Mi Robot Vacuum SDJQR02RR Error 1
- 1
This usually happens because the tiny motor inside the LDS module has failed, preventing the lidar from spinning.
- 2
You can often hear a grinding noise or no spin at all.
- 3
You'll need to open the top cover, disconnect the LDS module, and replace it entirely.
- 4
An aftermarket LDS module for the 1st gen Xiaomi is typically priced around $25-40.
What this repair uses
Xiaomi 1st gen LDS module
Take it out, clean it, and seat it again before you replace it. If the error stays, this is the part to change.
Frequently asked questions
What does Xiaomi Mi Robot Vacuum SDJQR02RR Error 1 mean?
Your Xiaomi Mi Robot Vacuum (1st gen) 'Error 1' means its laser distance sensor (LDS) isn't working right.
Is this a hard repair to do myself?
Most of the steps above take 20-40 minutes with basic tools like a screwdriver. If you'd rather not open the unit yourself, contact the official support line below instead.
What part do I need?
You'll need a Xiaomi 1st gen LDS module. Compatible aftermarket parts are widely available on AliExpress and typically cost $8-60 depending on the part.
How do I contact Xiaomi support?
Xiaomi Korea unified its customer service line to 070-8015-1154 starting November 2025. Phone: 070-8015-1154
Official support
Xiaomi Korea unified its customer service line to 070-8015-1154 starting November 2025.
Online support
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