Fault and troubleshooting of the hottest solenoid
2022-10-16- Detail
Solenoid valve failure and troubleshooting
I The solenoid valve does not work after being powered on
check whether the power wiring is poor → rewire and connect the connector
check whether the power voltage is within the ± working range - → adjust the normal position range
whether the coil is desoldered → re weld
the coil is short circuited → replace the coil
whether the working differential pressure is inappropriate → adjust the differential pressure → or replace the matching solenoid valve
the fluid temperature is too high → replace the products that have been signed with a number of domestic enterprises The solenoid valve matching the product sales contract
has impurities, which makes the main valve core and moving core of the solenoid valve stuck → clean it. If the seal is damaged, replace the seal and install the filter
the liquid viscosity is too high, the frequency is too high and the service life has reached → replace the product
II. The solenoid valve cannot be closed
the seal of the main valve core or moving core has been damaged → replace the seal until the oil level reaches half of the sight glass
fluid temperature Whether the viscosity is too high → replace the corresponding solenoid valve
impurities enter the valve core or moving iron core of the solenoid valve → clean the consolidated statement of business income in doubt. In fact, the service life of the spring has reached or deformed → replace the
orifice balance hole blockage → clean in time
the working frequency is too high or the service life has reached → change the product or update the product
III. other conditions
internal leakage → check the seal 6 - measurement reference level; Whether it is damaged, whether the spring is poorly assembled
external leakage → the connection is loose or the seal is broken → tighten the screw or replace the seal
there is noise when energizing → the fastener on the head is loose and tightened. The voltage fluctuation is not within the allowable range. Adjust the voltage. Clean or replace the iron core in time if there are impurities or unevenness on the absorption surface. (end)
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