How do I know this part is bad?
Answer Hello. You can test and see if your getting power to the valve. If there is power there, but the valve is not working, then you will need to replace the valve. Hope this helps.
How do I replace water inlet valve part number AP3799250?
Answer Hello. Remove the back cover and disconnect the water lines and wires. Reinstall in reverse order. Hope this helps.
How do i remove the hoses to change the valve?
Answer Press in on the ring around the hose to release the hose.