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Solenoid valve operation and operation of the problem solution
1, Solenoid coil burned out, the solenoid valve can be removed wiring, with a multimeter to measure, if the open circuit, the solenoid coil burned out. Reasons for the coil damp, causing insulation is not good and leakage magnetic, causing the coil current is too large and burned. Countermeasures: Therefore, to prevent rain into the solenoid valve. In addition, the spring is too strong, the reaction force is too large, the number of coil turns is too small, and the suction is insufficient, the coil can also be burned. In emergency, the manual button on the coil can be turned to "1" position by the "0" bit during normal operation, so that the valve is opened. 2, solenoid valve lug loose or thread off, the solenoid valve can not be countermeasures: can tighten the thread. 3, solenoid valve stuck. Anhui SECCO environmental protection technology supply solenoid valve spool sleeve and the valve with a small gap (less than 0.008mm), are generally a single assembly, when mechanical impurities into or too little lubricant, it is easy to get stuck . Countermeasures: Available steel wire from the hole into the head, make it bounce back. The fundamental solution is to remove the solenoid valve, remove the valve plug and spool sleeve, with CCI4 cleaning, making the spool movement in the valve sleeve flexibility. Disassembly should pay attention to the assembly sequence and the location of external wiring in order to reassemble and wiring properly, but also check the oil mist hole is blocked, the lubricating oil is sufficient. 4, leak. Leakage will result in insufficient air pressure, making it difficult to open and close the forced valve due to damaged gaskets or slide valve wear caused by several cavity blow-by gas. Countermeasures: When dealing with the switching system solenoid valve fault, should choose the appropriate timing, and so on when the solenoid valve is in power loss processing, if not within a switching gap, the switching system can be suspended, the processing is completed.