Error code F4 indicates a water inlet or fill valve malfunction on your Asko dishwasher. This error means the appliance is unable to detect adequate water entering the unit or the inlet valve is not functioning properly.
• Dishwasher does not fill with water or fills very slowly
• Wash cycle does not start or stops prematurely
• Error code F4 displays on the control panel
• Water drains immediately after starting
• Audible clicking or buzzing from the inlet valve area
• Dishes remain dry after cycle completion
• Reduced water pressure entering the unit
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Possible Causes
• Water supply valve behind the dishwasher is closed or partially closed
• Inlet hose is kinked, twisted, or pinched restricting water flow
• Inlet hose connection is loose at the water source or dishwasher inlet
• Inlet filter screen is clogged with debris, sediment, or mineral deposits
• Water inlet valve is faulty or has internal blockage
• Pressure sensor is malfunctioning and not detecting water fill
• Electronic control board has a communication error with the inlet valve
• Household water supply is low or temporarily shut off
• Inlet hose is frozen in cold climates
• Mineral buildup in the fill valve from hard water
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Safety Checks You Can Do
• Check that the water supply shut-off valve behind the dishwasher is fully open by turning the valve counterclockwise
• Inspect the inlet hose for kinks, cracks, or bends and straighten any kinked sections
• Verify the inlet hose connection at both the water source and dishwasher is hand-tight (do not over-tighten)
• Turn off the water supply and disconnect the inlet hose to check for debris at the connection point
• Verify your household water supply is running properly by turning on a nearby faucet
• Remove the inlet hose filter screen and rinse it under running water to remove sediment or mineral deposits
• Ensure the dishwasher door closes completely and latches firmly with an audible click
• Confirm you are using correct detergent type and amount recommended for Asko models
• Run a rinse cycle without dishes to observe water entry behavior
• Unplug the dishwasher for 60 seconds then plug back in to reset the control board and clear the error code
• If error persists after these checks, contact at 844-731-2978.
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NOTE!
If the error code persists, call to schedule your service
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