E190 Engine Overspeed Warning
产生此代码的情况:
已经超过发动机超速保护触发点。
系统响应:
电子控制模块（ECM）会记录该事件。
注: 如果发动机转速降至低于针对此参数编程设定的触发点 200 rpm，将取消警告。
发动机运转不受影响，除非发动机转速超过经调节的最大发动机转速。 如果超过最大发动机转速，喷油将停用，直到发动机转速降至低于最大发动机转速。
操作员有可能对发动机进行了误操作。
"发动机超速"参数可能未针对具体应用正确编程设定。 使用 Caterpillar 电子技师（ET）查看发动机超速的参数设置。 请参阅故障诊断与排除, "系统配置参数"，了解该参数可用的转速范围。
测试步骤 1. 询问操作员
确定引发发动机超速的事件。 进行修理，以防超速重现。
结果:
- 正常 - 停止
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