What are the symptoms of the errors of the Xiaomi Cordless Hair Straightener Brush?

The fault phenomenon is described as follows:
1. If the device does not work after turning it on, please check whether the battery is depleted and charge it in time;
2. If the device is not charging properly, please refer to the following steps to troubleshoot:
(1) Check if the product is damaged (caused by human factors or product quality issues) and check if there are any foreign objects on the air inlet;
(2) Check whether the Travel Lock is enabled and disable the Travel Lock;
(3) Check whether the charging cable is damaged. If damaged, please replace it in time.