symptom

DCB115出现新的响亮电流嗡嗡声或松动零件的响声,之前未出现。无烟、火花、燃烧气味、异常热量、液体、可见外壳裂纹或充电中断。

DCB115 产生新的大声电气嗡嗡声或之前不存在的松动响声。请拔掉充电器电源并移除 battery,然后评估新的噪音;请勿摇晃或打开外壳。

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