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BQ20Z95不能写入dataflash参数



原保护板是3串的,写有3串保护参数;预留有4串修改。改为4串以后,连接4串电池组,修改串数为4串后,在修改保护电压修改不了,输入4串电压后enter原参数变红。目前看有些参数可以修改,有些参数不能修改,而且充放电mos管现在是出于关闭状态,这种不能修改参数的情况有人遇到过吗