Whirlpool duet washer fills with water washes for about 12 min then code hf

https://removeandreplace.com/2018/05/31/whirlpool-washer-error-code-lf-long-fill-water-flow-issue/
https://www.youtube.com/watch?v=gP1FwmX21hc
https://www.youtube.com/watch?v=1M-XgRT3obc
https://www.youtube.com/watch?v=5eKNcFbcaF0
https://applianceassistant.com/Washer-Repair/Duet/Duet-Washer-Repair-Guide.php

Display shows F20 or FH - Front-load washer ' Whirlpool ...

https://www.whirlpool.com/...fh-front-load-...

Whirlpool Home AppliancesQuestion: Display shows F20 or FH - Front-load washer. Answer. Image. or. Image. or. Image. This error code indicates a water supply problem. Are both the hot ...

whirlpool duet error code FH - Appliance Repair Forum

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Jan 5, 2009 - 10 posts - ‎1 author
... Repair Help > Washer Repair » whirlpool duet error code FH .... FH No water detected entering machine or Pressure switch trip not detected. Whirlpool Duet diagnostic code C:03 error code FH
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Stumped on error code FH for Whirlpool Duet front load washer .

A possible solution to an f 20 fill error for a whirlpool duet washing machine. Blow out the pressure hose that connects to the pressure switch.

Before doing any of these fixes first ask yourself if you have over loaded the machine. Too many Bulky - heavy items will cause this same message.
How to fix Whirlpool Duet F20 Error:
Whirlpool uses a flow meter that detects the flow of water entering the washer. If this flow meter does not detect the correct amount of water entering the washer it will sound the F20 error code. Often this repair can be made with out calling an appliance repairman and without ordering parts. Start by removing the washer fill hoses; both the cold and the hot water hoses. Check for proper water pressure from the house. To do so, turn the water on and put the hose inside the washer or a bucket.
If water pressure is good, check the water valve inlet screens. Most residential washing machines have inlet screens. The screens prevent minerals from clogging the solenoid. With the hoses removed, you can visually inspect the water inlet screens. If the water valve screens are clear the inlet valve with the screens itself will need to be replaced. To replace the water valve, remove the top of the washing machine. Three screws hold the top down. The screws that hold the top down are on the back of the top panel. Once removed the top will slide back and off. Now remove the wire harness that connects to the valve. One screw holds the valve to the washers cabinet. Removing the screw and sliding the valve over will release the valve from the back panel enabling you to complete your repair.
One last thing to check is the fill hoses. These front load duet washers call for a lot of water quickly. So if you have stainless steel braided flood-safe hoses, they will trip for no reason at all. Replace these flood safe hoses with more traditional hoses.
- See more at: http://www.appliancerepairlesson.com/2011/03/12/how-to-fix-whirlpool-duet-sport-error-code-f20-washer-repair-troubleshooting/#sthash.zTyr5Yy1.dpuf

HF = High Fill
This can be caused by using non HE detergent in your front load. Put the washer in a cold rinse for a couple of cycles to clean the excess soap and try the cycle again using HE detergent. If the problem returns you may have a pressure switch or hose that will have to be replaced.

I believe the code HF is telling you that you are not getting hot water. Check faucet in back and make sure water is turned on at both hot and cold valves. Even if you only use a cold setting, the hot water needs to be turned on. Also check washer fill valve screen. Turn off water and take off hoses at washer. Inside valve are sceens that may be clogged.

check your fill hoses,,for kinks,,or clogged,,the unit is detecting no water ate one or booth of the fill hoses..clean your screens,,,onthejob

first go here and download a manuel http://shared.whirlpoolcorp.com/product_literature/search_results.jsp?searchTerm=GHW9150P&siteCd=WHRCOM then at the bottom of the page download a parts list and keep them both the parts list will show you how the machine is put togeather and are you sure the code is not fh .fh is the code for not enough water in the machine its not filling in the time alloted check the screens on the water valves make sure the lines are open all the way and the hoses arent kinked get a bucket and open the hoses in it to check your water flow out of both lines look for slow fill or weak pressure let me know what you find it could also be that one of the water valves are bad if its not filling in rinse and you have hot wash cold rinse selected then the cold valve could be bad

check the screens on the fill valves on the washer after disconnecting hoses

You need to be more specific. When does the code appear? Does the machine start?

Our machine was giving the HF code at 37 min after over filling with water. I unplugged the machine, popped the top (took the 3 torx screws off the back) pulled the small hose off the pressure switch sensor (round sensor on the upper back right of the machine) and blew it out just by mouth. It obviously cleared some junk. It works fine now. (also unplugged the 6 wires on the sensor, turned it around and blew on that and heard it clicking, so I knew that was ok.) Hope this helps someone.