Piston solenoid Faults of a failure: no action power Analysis: bad power wiring; a power supply voltage variation is not within the allowable range; shorted coil or burn treatment: The power cord; adjust the voltage within the normal range; Replacement coil failure two: open the valve fluid can not pass Analysis of the reasons: fluid pressure or working pressure does not meet; fluid viscosity or temperature does not meet; spool and moving around the core mixed with dirt, impurities; valve pre-filter or pilot valve clogging; operating frequency when using the high end of life or processing method: adjust the pressure or the working pressure or a suitable replacement product; suitable replacement product; internal washing, the filter valve must be installed before the valve; or cleaned filter Pilot valve hole; re-election model or replacement of new products Fault Three: off the fluid can not cut off the reasons Analysis: Fluid viscosity does not meet; fluid temperature does not meet; spring deformation or the end of life; valve seat defects or adhesion stolen goods; Pad out of the defect or deformation; balance hole or orifice blockage; use of the working frequency is too high or the end of life treatment side : Suitable replacement product; suitable replacement product; shimming or replace the spring; cleaning, polishing or update; update, re-assembly; cleaned; or the election Model Change New Fault IV: Leakage Analysis: pipe connection Department of loosening; pipeline connection outer seal damage Treatment: Tighten the bolt or take over the thread; replace the seal Fault 5: severe leak Cause Analysis: fluid temperature does not meet; pilot seat and the main valve seat with impurities or defects; pilot valve and main valve prolapse or deformable gasket; bad spring assembly, or deformation life expires; high operating frequency processing method using: a fluid temperature adjustment or replacement; if cleaning or polishing the repaired or replaced; replacement gasket; replace the spring; Change the product model or replace the new product Fault 6: noise is too large when the power is on Cause Analysis: loose fasteners; voltage fluctuations, not within the allowable range; fluid pressure or working pressure is not suitable; fluid viscosity does not meet; Impurities: tighten; adjust to the normal range; adjust pressure or working pressure or replace the product; more Suitable products; timely cleaning
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