1.4 system does not operate normally elimination method (see Table 3. Table 3 system does not operate normally eliminate Symptom Remedy system pressure and causes the normal operation of the electromagnetic actuator no solenoid valve is faulty or exclude or limit order replacement device ( mechanical, electrical or hydraulic type style) does not work or the wrong tone adjustment, repair or replace the amplifier malfunction or the wrong tone adjustment, repair or replace the valve jam cleaning, filter or replace badly worn cylinder or motor repair or replacement action is not Rule 5.3 to eliminate common errors pressure oil mixed with air refueling, exhaust command signal is unstable to find, fix amplifier malfunction or the wrong tone adjustment, repair or replace the sensor feedback failure to repair or replace the valve jam cleaning, filter cylinder or motor Worn or damaged Ankang gear reducer Pingliang professional maintenance professional maintenance | reducer professional maintenance |. Xi'an-through hydraulic service provided by the Xi'an-through hydraulic repair Ltd. Xi'an Chengtong Hydraulic Maintenance Co. (www.huosu360.com) strength , credible, in Xi'an, industrial maintenance, installation and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improve the innovative ideas will lead the Xi'an-hydraulic service and you work through into the brilliant, for a better future !