Xiaomi Mi Robot Vacuum 1st GenError 1Error 1 — cause and how to fix it
Error code: Error 1
Error 1 on the original SDJQR02RR signifies a laser distance sensor (LDS) malfunction.
How to fix Mi Robot Vacuum 1st Gen Error 1
- 1
Often, the motor that spins the tower has seized or the belt has snapped.
- 2
You can buy a replacement LDS motor kit for about $10-15 and replace it easily with a screwdriver.
What this repair uses
Xiaomi LDS motor
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 1st Gen Error 1 mean?
Error 1 on the original SDJQR02RR signifies a laser distance sensor (LDS) malfunction.
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 LDS motor. 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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