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原文
Common symptoms of refrigeration solenoid valve and the exclusion of knowledge. Symptom: After power solenoid valve does not work, Remedy: Check whether the power cable and connector wiring bad → re-connection, check the power supply voltage is within ± scope of work - → transfer position caused by the normal range, sealing off the coil is shorted → → re-welded coil replaced the coil, the working pressure is → → inappropriate pressure adjustments or replacement of electromagnetic proportional valve, the fluid temperature is too high → proportion of the solenoid valve replacement, there are impurities in the main solenoid valve spool and the moving core stuck → cleaning, sealing damaged should be replaced if seals and install filters, liquid viscosity is too large, the frequency is too high, and life has come to replace the product → Symptom: solenoid valve can not close, Remedy: moving the main spool or iron core of the seals have been damaged → replace the seals, fluid temperature, viscosity is too high → Replace the corresponding electromagnetic valve, a spool capacity of impurities into the solenoid valve for cleaning or moving core → , or deformation of the spring has come to life → replacement, plug the hole → throttle Kong Pingheng be cleaned, the operating frequency is too high or the life of the product or re-election has been to update product → Other fault conditions: → Check the seals leak inside is damaged, the spring assembly is bad → external connections loose or leaking seals have been broken → screws or replace seals → noise power when the head of the fasteners loose, tighten. Voltage fluctuation is not within range, adjust the voltage. Core pull impurities or uneven surfaces, be cleaned or replaced.
原文来自：http://www.chinadiancifa.org

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译文：
　故障现象：电磁阀通电后不工作，排除方法：检查电源接线是否不良→重新接线和接插件的连接，检查电源电压是否在±工作范围-→调致正常位置范围，线圈是否脱焊→重新焊接线圈短路→更换线圈，工作压差是否不合适→调整压差→或更换相称的电磁阀，流体温度过高→更换相称的电磁阀，有杂质使电磁阀的主阀芯和动铁芯卡死→进行清洗,如有密封损坏应更换密封并安装过滤器，液体粘度太大,频率太高和寿命已到→更换产品　故障现象：电磁阀不能关闭，排除方法：主阀芯或铁动芯的密封件已损坏→更换密封件，流体温度、粘度是否过高→更换对口的电磁阀，有杂质进入电磁阀产阀芯或动铁芯→进行清洗，弹簧寿命已到或变形→更换，节流孔平衡孔堵塞→及时清洗，工作频率太高或寿命已到→改选产品或更新产品　　其它故障情况：　　内泄漏→检查密封件是否损坏,弹簧是否装配不良　　外泄漏→连接处松动或密封件已坏→紧螺丝或更换密封件　　通电时有噪声→头子上坚固件松动,拧紧。　　电压波动不在允许范围内，调整好电压。铁芯吸合面杂质或不平，及时清洗或更换。

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