Is your Whirlpool washer not filling, filling slowly, or starting with no water? A defective lid switch can also prevent the washer from filling on some models by interrupting the fill signal to the water inlet valve. Test the lid switch for continuity with a multimeter and replace it if it fails. Next, check the water inlet valve. Confirm the household water pressure is adequate, clean the valve's inlet screens, and replace the valve if the washer is still not filling with water. A faulty control board can also fail to send voltage to the valve, so inspect the board for burned or shorted components and test for power at the valve during the fill cycle. Low house water pressure may keep the washer from filling, while a defective temperature switch can allow only hot or cold water. Finally, make sure both hot and cold water supply valves are fully open. These steps apply whether your washing machine is not filling at all or fills slowly. Enter your Whirlpool washer's model number to find the exact replacement part for your specific machine.
01 - Whirlpool Washing Machine Lid Switch Assembly
If you've confirmed the water inlet valve is receiving power and is functioning normally, you should determine if the washer tub is spinning during the spin cycle. If not, the lid switch assembly could be defective and responsible for the tub not filling as expected. To determine if the lid switch assembly is defective, use a multimeter to test the lid switch for continuity. If the lid switch does not have continuity, replace it.
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The water inlet valve opens to allow water to enter the washing machine. If the water inlet valve is defective, the wash may fill slowly or not fill at all. The water inlet valve requires sufficient water pressure to function properly. First, check the water pressure to determine that it is adequate. If the water pressure is adequate, try cleaning the screens inside the water inlet valve hose connection ports. If the washer still fills slowly, replace the water inlet valve.
Since a washing machine control board provides voltage to nearly all of the washer's electrical components, a faulty board may not be sending power to the inlet valve to open it and allow water to fill the tub. You can inspect the board for signs of burning or a shorted-out component. You can also use a multimeter to test for incoming power to the inlet valve after reviewing the appliance's wiring diagram. If no voltage is present when the washer is in the fill cycle, it's likely the control board is defective and will need to be replaced.
The home water pressure might be too low. The water inlet valve requires good water pressure to function properly. You can check the water flow at the kitchen faucet to help determine if the home's water pressure is sufficient or not.
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05 - Whirlpool Washing Machine Temperature Switch
The temperature selector switch allows power to be sent to the water inlet valve to release hot or cold water. If the temperature selector switch is faulty, the valve may only allow only one temperature of water to fill the tub. You can use a multimeter to test the switch for electrical continuity. If the switch tests negative for continuity, the part will need to be replaced.