使用阶段

Stage of use

故障现象

Fault

原因分析

Cause analysis

排除方法

Eliminating method

安装调试中

Installation and Commissioning

所有阀无法打开，但先导部分有动作

Not all the valves can be opened,but the pilot part is running

检查气包压力是否过低

Check whether the air tank pressure is too low

排查漏气

Check and prevent air leakage

某些阀不工作，其他阀正常

Some valves cannot run while others can

检查阀的线路连接及线圈

Check the line connections and sole-noids of the valves

更换配件

Replace relevant parts

所有阀无法关闭，有漏气，气包压力无法建立

Not all the valves can be closed;there is air leakage; the air tank pressure cannot be established

阀的进气口与喷吹口相反安装

The air inlets and air outlets of the valves are reversely Installed

重新安装

Install the valves again

某些阀无法关闭，有漏气

Some valves cannot be closed, there is air leakage

有杂质吸附在膜片上，动铁芯有卡死现象

There are foreign matters on the diaphragms; the armatures  are seized

清洁膜片，检查膜片是否完整，

检查动铁芯及气塞

Clean the diaphragms and check whether they are complete; check the armatures and the air plugs

使用过程中

Use

阀关闭缓慢

Valve closing is slow

膜片节流孔受堵

The diaphragm orifices are blocked

疏通膜片节流孔

Unblock them

某些阀漏气，膜片关不死，阀常开

Some valves leak, they often open,their diaphragms cannot be closed com-pletely

有杂质吸附在膜片上，先导损坏，动铁芯有卡死现象

There are foreign matters on the diaphragms; the pilot parts are dam-aged; the armatures are seized

清洁膜片，检查膜片是否完整，检查动铁芯及塞等，及时更换配件

Clean the diaphragms and check whether they are complete; check the armatures and the air plugs; replace relevant parts promptly

线圈发热，烧毁

There is solenoid heating or burning

长时间通电

The valves have been powered on for a very long time

检查控制系统的工作状况

Cheak the operating status of the control system

有电压，但阀不动作

There is voltage but the valves cannot run

膜片损坏或节流孔受堵

Diaphragm is damaged, pilot opening is blocked

及时更换配件

Replace relevant parts promptly

环境温度低，阀有漏气或无法打开

The ambient temperature is low; the valves leak or cannot be opened

环境温度过低，阀内有结冰现象

Ambient air temperature too low valve intelnal frozen

注意保温

Keep a properly high temperature