C-10, C-12, C-15 and C-16 Industrial Engines Caterpillar


E445 High Auxiliary Temperature

Usage:

CPT372 1WZ
产生此代码的情况:

以下情况发生:

445-1

  • 发动机已经运转了 13 分钟。

  • 辅助温度传感器没有激活的诊断代码。

  • 辅助温度传感器感测到的温度已超过设定点 4 秒钟。

注: 如果温度降至低于设定点 2 °C (36 °F) 2 秒钟,警告将取消。

445-2

  • 发动机已经运转了 13 分钟。

  • 辅助温度传感器没有激活的诊断代码。

  • 辅助温度传感器感测到的温度已超过设定点 4 秒钟。

注: 如果温度降至低于设定点 2 °C (36 °F) 2 秒钟,减额将取消。

445-3

  • 发动机已经运转了 13 分钟。

  • 辅助温度传感器没有激活的诊断代码。

  • 辅助温度传感器感测到的温度已超过设定点 4 秒钟。

系统响应:

445-1

警告激活时,警告灯将闪烁。

ECM 将产生 E445-1 事件代码。

ECM 将会在 J1939 数据链路上产生 SPN 1836-FMI 15 事件代码。 此事件代码可能显示在 J1939 数据链路上的接收装置上。

445-2

减额启用时,警告灯将闪烁。

ECM 将产生 E445-2 事件代码。

Caterpillar 电子技师(ET)将在任何 Cat ET 状态屏幕的第一个 "Engine Status(发动机状态)"框中显示 "Engine Derate(发动机减额)"。

ECM 将会在 J1939 数据链路上产生 SPN 1836-FMI 16 事件代码。 此事件代码可能显示在 J1939 数据链路上的接收装置上。

445-3

警告灯将闪烁。

ECM 将产生 E445-3 事件代码。

ECM 将会在 J1939 数据链路上产生 SPN 1836-FMI 00 事件代码。 此事件代码可能显示在 J1939 数据链路上的接收装置上。

445-1

发动机的运转未受影响。

445-2

ECM 将使功率减额 25%。 功率将每秒减额 1%。

445-3

发动机将停机。

测试步骤 1.

确认设定点对于此应用有效。

确定引起高温状况的事件。 进行修正以便防止温度过高状况重现。

结果:

  • 正常 - 停止

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