C15 Generator Set Engines Caterpillar


E255 Diagnostic Reset

Usage:

C15 AR2
产生此代码的情况:

电子控制模块(ECM)检测到诊断复位开关启用。

系统响应:

如果导致代码的条件不再出现,ECM 将清除所有诊断代码和事件代码。 锁存的所有发动机减额和发动机停机事件也将清除。 复位锁存条件不需要循环通断 ECM 电源。

测试步骤 1. 检查已扳动诊断复位开关

  1. 与操作员交流 确保操作员已扳动诊断复位开关。

  2. 使用 Caterpillar 电子技师(ET)以便检查有无诊断代码或事件代码保持为激活状态。

预期结果:

操作员扳动诊断复位开关。

结果:

  • 正常 - 已扳动诊断复位开关。

    修复: 如果已扳动诊断复位开关,系统工作正常。 检查启用复位功能前已锁存的所有发动机减额或发动机停机事件。 将发动机返回工作状态前,进行必要的修理。

    停止

  • 异常 - 已扳动诊断复位开关。

    修复: 如果诊断复位开关尚未扳动,诊断复位开关电路可能存在故障。 对电路和/或开关进行故障诊断和排除。 将发动机返回工作状态前,核实开关工作正常。

    停止

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