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故障现象 1 进行体部扫描时,自动预扫描失败. 系统提示错误代码 2225520 Dynamic disable and T/R driver fault. Possibly a shorted diode in the body T/R switch network,or a short circuit load. 分析与检修根据故障提示为发射 /接收驱动信号错误,可能是驱动高压不足或负载短路.