Error E304 – What should I do?

Please follow the steps below to check:
1️⃣ Check the RTK signal environment (RTK models only)Make sure there are no obvious obstructions around the mower, such as walls, eaves, fences, or tall bushes.If there are obstructions, move the mower to an open area and restart the device.
⚠️ This issue often occurs when the mower starts from the charging station and begins positioning. Please also make sure the charging station is installed in an unobstructed location.
Also, check that the RTK base station indicator is solid green, and ensure:
● The base station power is properly connected
● The area around the base station is unobstructed
2️⃣ Check if the mower completes the positioning process properlyThe device will automatically perform positioning (re-localization) after startup or restart.During this process, make sure:
● There are no obstacles blocking the mower
● The mower is in an open, flat area (no slopes)
3️⃣ Check for other error codesIf other errors occurred before E304 (such as E201, E204, E400, E410, etc.), please resolve those issues first according to their respective troubleshooting steps, then restart the device.
4️⃣ If the problem persistsPlease contact support@anthbot.com and provide the following information:
● Device serial number (SN)
● Screenshot from the APP showing the error or a photo of the device
● Photos of the installation environment (mower and RTK base station)
● Steps you have already tried
Customer support will use this information to assist with further troubleshooting and arrange after-sales service if needed.