WEICHAI R6160 Series - Monitoring System Common Faults and Troubleshooting

R660系列柴油机维修保养手册
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Maintenace Manual For R660 Series Diesel Engine
11．监控系统常见故障及排除方法
Monitoring System
常见故障
Failure
故障原因
Causes
排除办法
Remedy
数码管不亮，按动各按钮相应指示灯均
不亮
Digital display and indicators do not come
on when buttons are pressed.
电源断路
保险丝断
电源极性反
传感器插头坏
Power circuit open.
Fuse blown out.
Power polarity inversed.
Sensor connector failure.
查线路
更换保险丝
更换极性
更换新传感器
Check circuits.
Replace fuse.
Change polarity.
Replace sensor.
检显示暗，或电源指示灯亮，但无显示
Dim indication, or no indication when
power indicator is on.
电源电压偏低
Lower power voltage.
电源充电或更换蓄电池
Charge or replace battery.
急 停 灯 亮 ， 电 磁 阀 不 动 作 、 不 停 车
EMERGENCY STOP light comes on, but
solenoid valve does not act and the engine
does not stop.
电磁阀连接线断
电源电压低
电磁铁失灵
电磁铁密封不严
Solenoid valve wire open.
Low power voltage.
Solenoid valve failure.
Poor solenoid valve sealing.
修复线路
电源充电
更换电磁铁
修复密封面
Repair the circuit.
Charge power supply.
Replace solenoid valve.
Repair sealing face.
按温度试验按钮，指示灯亮，但超温不报警
Press temperature test button, indicator
comes on, but no overheat alarm is issued.
温度传感器接线断
温度传感器失效
Temperature sensor open circuit.
Temperature sensor failure.
修复线路
更换新传感器
Repair the circuit.
Replace sensor.
按压力试验按钮，指示灯亮，但柴油机
运转时低压不报警
Press pressure test button, indicator comes
on, but no low pressure is issued while
engine is running.
压力传感器接线断
压力传感器失效
Pressure sensor open circuit.
Pressure sensor failure.
修复线路
更换新传感器
Repair the circuit.
Replace sensor.
压力报警灯不灭，主机压力表显示正常
Pressure warning indicator does not go
off while the engine main pressure gauge
indicates normally.
压力传感器导线搭线
压力传感器失效
Pressure sensor short circuit.
Pressure sensor failure.
修复线路
更换新传感器
Repair the circuit.
Replace sensor.
转速表显示不正常
主机转速表同时显示不正常Indication
of both tachometer and the engine main
tachometer are abnormal.
转速传感器插头内接线断、松脱、碰
线、连接线断、转速传感器装配位置不
对或松动
Broken or loose connection in speed sensor
connector, open or short wiring, improper
or loose speed sensor installation.
检查连线和接插件调整至正常间隙位
置：（1.5±0.5）mm
Check wiring and adjust connector
clearance to (1.5±0.5) mm.
柴油机停车时，按“转速”试验按钮
时，油压报警灯光亮
When pressing speed test button at engine
shutdown, , oil pressure warning indicator
comes on.
油压传感器线路断
Oil pressure sensor open circuit.
修复线路
Repair the circuit.
显示停留在“ 0”或“9 99”Displa y
stays at “0” or “999”.
传感器连线折断
连接电缆上接插件接触不好
Sensor open circuit.
Poor contact of connector of cable.
检查连线和接插件Check wiring and
connectors.
只显示部分参数Only displaying some
parameters.
仪器未进入初始状态The display is not
initialized.
按复位按钮Press reset button.