What should I do if my STERWINS 400M² 18V robotic mower displays a battery error even though it is new?

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If your STERWINS 400M² 18V robotic mower displays a battery error even though it is new, here are several steps to follow to try to resolve this issue:

1. Check the battery

Make sure the battery is properly installed in the designated compartment. Remove it and then reinsert it to ensure a good connection.
Visually inspect the battery for any damage, swelling, or apparent defects.

2. Fully charge the battery

Place the robot on its charging station and let it charge for several hours (usually 6 to 8 hours) before the first use.
Check that the charging station is powered and that the contacts are clean.

3. Restart the robot

Turn off the robot, wait a few minutes, then turn it back on to attempt a reset of the error.

4. Operating conditions

Ensure that the ambient temperature is within the recommended range (avoid extreme temperatures that can affect the battery).

If after these checks the error persists, it is possible that the battery is defective despite the newness of the device. In this case, contact STERWINS customer service or technical support for assistance or replacement.

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