When your Whirlpool washer is showing an F20 error code, this means there is something wrong with the water supply to your washing machine.
The most common reasons this occurs are that the water supply to the washer is not turned on correctly, there is a blockage in the water hose, the water pressure is not strong enough, or you are using the wrong detergent.
To find the cause of the problem and fix it, simply follow our step-by-step instructions in this guide, and your washing machine should be working again quickly.
This guide covers all major Whirlpool washer models, including:
2LA5700XMW0
2LA5700XMW1
2LSR5233BN0
2LSR5233BQ1
2LSR5233BW0
2LSR5233BZ1
LSC8244EQ0
LSC8244EQ1
LSC8244EZ0
LSC8244EZ1
LSR6132EQ0
LSR6132EZ0
LSR7233EQ0
LSR7233EW0
LSR7233EZ0
LSR8233EQ0
LSR8233EZ0
LSR8244EQ0
LSR8244EQ1
LSR8244EZ0
LSR8244EZ1
The first step is checking the water hoses to make sure they are not kinked, bent out of shape, or blocked.
To check the water hoses:
The next step is to check the water pressure. The water cannot be less than 10 psi. If it is, the washer might not work properly, and the F20 error code might show on your display screen.
The easiest way to check if your water pressure is OK is to call your water utility company and ask them for your pounds-per-square-inch (psi) level. If you have a water pressure gauge, you can test the pressure yourself by attaching the gauge to the faucets.
The next step is to ensure you are using high-efficiency detergent in your washing machine. When you use non-high-efficiency detergent, it might produce excessive suds, and this can cause your washer to not be able to detect water flow into your washing machine. If this happens, the F20 error code might appear, and your washer will stop working.
If you are using the correct detergent, move on to the next step.
The last step is to check if both the hot and cold water are turned on correctly. When both are not turned on, the water supply to your washing machine might be adversely affected.
All you have to do is check that the faucets are turned on completely, and if not, open them up. If you only want to use cold water, then you need to install a “Y-connector,” which will provide water to both the hot and cold hoses. Once you’ve ensured that the faucets are turned on, you can move on to the final step.
Now you’ve gone through the above steps, it’s time to remove the error code and see if your washing machine works correctly.
To do that:
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