First, the electric valve is not energized working <br> <br> → Check power wiring is bad and re-wiring connector is connected to the power supply voltage is checked in the operating range ± - → normal position adjustment actuation range coil is re-bond sealing off → 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 electromotive valve with impurities so that the electric valve main spool and moving iron core stuck → cleaning, If the seal is damaged, replace the seal and install the filter. The viscosity of the liquid is too high, the frequency is too high and the service life is up. → Replace the product.
Second, the electric valve can not be closed or sealed <br> <br> main valve member movable iron core replacement of damaged seals → fluid temperature, viscosity is too high if the counterpart electric valve replacement → impurity into the electric valve spool or production Moving Iron Core → Perform cleaning Spring life is reached or deformed → Replace orifice Equalize hole plugging → Timely cleaning Working frequency is too high or service life is up → Reselect product or update product
Third, the otherwise leak → <br> <br> seal damage inspection, whether the spring assembly adverse external leakage → loose connections or seal has been broken → screws or fasteners of the noise replace the head of the seal is energized → Loosen and tighten. The voltage fluctuation is not within the permissible range and the voltage is adjusted. Core suction surface impurities or uneven, timely cleaning or replacement.
Second, the electric valve can not be closed or sealed <br> <br> main valve member movable iron core replacement of damaged seals → fluid temperature, viscosity is too high if the counterpart electric valve replacement → impurity into the electric valve spool or production Moving Iron Core → Perform cleaning Spring life is reached or deformed → Replace orifice Equalize hole plugging → Timely cleaning Working frequency is too high or service life is up → Reselect product or update product
Third, the otherwise leak → <br> <br> seal damage inspection, whether the spring assembly adverse external leakage → loose connections or seal has been broken → screws or fasteners of the noise replace the head of the seal is energized → Loosen and tighten. The voltage fluctuation is not within the permissible range and the voltage is adjusted. Core suction surface impurities or uneven, timely cleaning or replacement.
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