LG CordZero R5Tbase station errorbase station error — cause and how to fix it
Error code: base station error
The R5T base station error usually means the robot isn't aligning correctly or the IR emitter is blocked.
How to fix CordZero R5T base station error
- 1
Check the signal window on the base and the front of the robot for scuffs or dirt.
- 2
If the base has stopped communicating with the robot, check the power cable and internal board, parts are available online for $30-40.
What this repair uses
LG CordZero R5T charging station sensor
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 LG CordZero R5T base station error mean?
The R5T base station error usually means the robot isn't aligning correctly or the IR emitter is blocked.
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 LG CordZero R5T charging station sensor. Compatible aftermarket parts are widely available on AliExpress and typically cost $8-60 depending on the part.
How do I contact LG support?
LG has 400+ service centers across Korea. Book via the LG ThinQ app for door-to-door repair service without an appointment. Phone: 1544-7777
Official support
LG has 400+ service centers across Korea. Book via the LG ThinQ app for door-to-door repair service without an appointment.
Online support
Open support page →