Fixing a malfunctioning water inlet valve depends on whether it is clogged or electrically burned out. First, shut off your home water supply line and unplug the appliance. Access the valve, disconnect the water supply hose, and inspect the internal wire mesh filter screen. If the screen is choked with hard water mineral scale or sediment, scrub it clean using a toothbrush dipped in a water-and-vinegar solution. If the valve solenoid coil is electrically shorted or the internal rubber seal is permanently warped, cleaning will not work, and you must replace the entire unit. Always ensure power and water lines are isolated before servicing. You can verify the fix by turning the water back on and checking for leaks during a test fill cycle.
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