Looking for the manual for the Duns solenoid valve DMV5100/11 as well as information on common faults
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The phenomenon I have observed is that the solenoid valves on site often turn on and off by themselves, and no abnormalities were found upon inspection of the control cabinet. There seems to be no problem when checking it on-site
There’s no way! Haha. I think the plug wiring is broken; I’m not sure which circuit it’s connected to
Is it the solenoid valve installed on the pneumatic valve? There must be a problem with the circuit signal; the constant on-and-off switching means it’s keeping turning on and off. If the wiring and controls on site are fine, then it might be a problem with the solenoid valve’s terminal box and coil. You can try replacing the coil and junction box. No, contact the manufacturer directly to resolve it