First, the three fine motorized valve does not work after power Check the power supply connection is not good → re-wiring and connector connection Check the power supply voltage is within the scope of work → → tune the normal position of the coil is not desoldering → re-welding coil short circuit → replace the coil Working pressure difference is not appropriate → adjust the pressure difference → or replace the appropriate electric valve fluid temperature is too high → replace the electrically-driven valve is equivalent to the impurities so that the main valve core and the moving core stuck → cleaning, seal damage Should replace the seal and install the filter Liquid viscosity is too high, the frequency is too high and life has been to → replace the product Second, the electric valve can not close the main spool or iron core seal has been damaged → Change the seal fluid temperature, viscosity is too High → replace the electric valve counterparts have impurities into the valve to produce electric valve or moving core → cleaning spring has reached or deformed life → replace the orifice balance hole blocked → promptly clean the working frequency is too high or life has been to → re-election of products Or update the product Third, the other leaks → Check the seal is damaged, the spring assembly is not good External leakage → Loose connections or seals have been → screws or fasteners replace the head of the noise → loosening the seal is energized, tighten. Voltage fluctuation is not within the allowable range, adjust the voltage. Core suction surface impurities or uneven, timely cleaning or replacement. This article Keywords: electric valve
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