312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2 Caterpillar


Check of Controller LED Indicator - Troubleshoot

Usage:

322C ADX



图 1g00691925

位于驾驶室尾端的控制器

(1) 绿色 LED

(2) 黄色 LED

(3) 红色 LED

(4) 控制器

表 1
LED 的正常指示    
钥匙起动开关     绿色 LED     黄色 LED     红色 LED     备注    
接通     接通     断开     断开     当钥匙起动开关从断开位置转到接通位置时,红色 LED 将立刻亮起。    
断开     断开     断开     断开     钥匙起动开关转到断开位置后,绿色 LED 保持亮起大约 10 秒钟。    

表 2
故障 LED 的指示    
LED 显示屏     说明和措施    
无 LED 亮起。     电源不向控制器供电。 执行测试和调整, "不向控制器供电 - 故障诊断与排除"。    
黄色 LED 亮起。     控制器和监视器之间的通信出现故障。 执行测试和调整, "不向控制器供电 - 故障诊断与排除"。    
红色 LED 闪烁或亮起。     控制器出现故障。 更换控制器。 请参阅测试和调整, "控制器 - 更换"。    

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