3500B and 3500C Generator Set Engines Caterpillar


E040 Low Engine Oil Pressure Shutdown

Usage:

3508 BGX
产生此代码的情况:

电子控制模块(ECM)检测到发动机机油压力低于默认触发点。

系统响应:

事件代码会记录下来。

可能对性能的影响:

发动机停机

故障诊断和排除:

  • 发动机润滑系统可能有问题。

  • 发动机机油压力传感器可能故障。

测试步骤 1. 检查有无"激活"的诊断代码。

  1. 启动 Caterpillar 电子技师(ET)。

  2. 将电源转到接通位置。

  3. 检查有无任何激活的或记录的诊断代码。

预期结果:

应无任何诊断代码存在。

结果:

  • 正常 - 应无任何诊断代码存在。 继续测试步骤 2。

  • 异常 - 存在诊断代码。

    修复: 修理出现的诊断代码。 请参阅本手册"利用诊断代码进行故障诊断与排除"章节中的相关专题。 确保修理后故障被排除。

    停止

测试步骤 2. 对发动机润滑系统进行检查。

  1. 对发动机润滑系统进行检查。 请参阅故障诊断和排除, "发动机机油压力偏低"中的诊断步骤。

预期结果:

发动机机油压力没问题。

结果:

  • 正常 - 发动机机油压力没问题。 可能存在间歇性故障。

    修复: 监测发动机的运行。 修理故障。 确保修理后故障被排除。

    停止

  • 异常 - 发动机机油压力有问题。

    修复: 修理故障。 确保修理后故障被排除。

    停止

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