3500C Marine Auxiliary Engines Caterpillar


Coolant Temperature Is Low

Usage:

3512C 2A2
使用本程序诊断和排除冷却液温度低故障,或者在以下事件代码为激活状态时使用本程序。 有关事件代码和这些代码的默认触发点的信息,请参阅故障诊断与排除, "事件代码"。 必须进入 Caterpillar ET(Electronic Technician,电子技师)的监控系统才能查看这些代码的当前触发点。

表 1
事件代码    
代码和描述     产生此代码的状况     系统响应    
E038(1)发动机冷却液温度低警告     冷却液温度低于触发点温度。     将会记录该代码。    

可能原因

  • 水温调节器故障

  • 负荷太轻

建议的措施

水温调节器

卡在开启位置的调节器可导致过冷。 水温调节器卡在以下位置之间也会出现过冷:断开位置 和 闭合位置。 水温调节器周围冷却液泄漏可造成过冷。 以排放管泄漏为例。

负荷太轻

负荷太轻或发动机转速过慢可造成过冷。 这种过冷时由于发动机的热输入量低造成的。

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