The Solenoid valve failures

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Solenoid valve failure will directly affect the action of the switching valve and control valve solenoid valve does not move, a common fault, the following aspects should investigation: (1) of the solenoid v alve lugs loose or thread off, the solenoid valve may not power, can be tight solid thread. (2) solenoid valve coil burned, you can remove the solenoid valve wiring measured with a multimeter, if open, the solenoid valve coil burned. Causes the coil, moisture, caused by bad insulation magnetic flux leakage, resulting in the coil current is too large and burned, so to prevent rainwater from entering the solenoid valve. In addition, excellent spring, the reaction force is too large, too few coil turns, the suction can not make the coil burnt. Emergency treatment manual button on the coil by the normal working hours, "0" bit hit "1" bit, making the valve is opened. (3) solenoid valve stuck. Solenoid valve slide valve sleeve and spool with a small gap (less than 0.008mm), are generally single assembly, mechanical impurities into or too little lubricant, it is easy to get stuck. Hold into the treatment methods available wire from the head holes to make it boun ce. The fundamental solution To remove the single coil solenoid valve, remove the spool and spool cover, with CCI4 cleaning, making the spool in the valve kit flexible movement. Demolition should pay attention to the various components of the assembly sequence and the external wiring position for re-assembly and wiring is correct, also check the oil mist injector holes are blocked, adequacy of lubricants. (4) leak. Cause leakage air pressure, making a forced valve opening and closing difficult, because the sealing gasket is damaged or slide valve wear caused by several cavity channeling gas. The failure of the solenoid valve switch system, select the appropriate time, the flange solenoid valve  in the loss of electricity for processing, in a never-ending within the gap is a switch will switch the system to pause, and calmly.