Analysis of common problem using stage failure phenomenon Elimination method Installation and debugging All valves can not be opened but the pilot part has action Check whether the pressure of the gas package is too low Air leakage Some valves do not work and other valves are normal Check valve line connection and coil Replacement parts All valves can not be closed and air leakage pressure can not be established. The air inlet of the valve is installed on the opposite side of the nozzle
Reinstall Some valves are unable to shut off air leakage There are impurities adsorbed on the diaphragm and the moving iron core is stuck. Clean diaphragm and check diaphragm check whether moving iron core and gas plug completely. Slow closure of the valve Diaphragm throttling Kong Shoudu Dredge the throttle hole of the diaphragm In the process of use Some valve leakage diaphragm undead valve often open If the impurity is adsorbed on the diaphragm, the leading damage core will be stuck.
Clean the diaphragm, check the diaphragm, check the moving core and gas plug, and replace the parts in time.
Coil heat burn down Long time electricity Check the working condition of the control system There is a voltage but the valve does not move The diaphragm is damaged or throttle Kong Shoudu Replacement parts in time Low ambient temperature, air leakage or inability to open the valve Ice phenomenon in low ambient temperature valve Pay attention to heat preservation
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