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Whirlpool Duet Error Message HF

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Posted: Sun Jan 29th, 2006 11:21 pm

41^st Post

goofieshot
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as far as i understand the operation of this washer hf is lack of water in the system - the washer measures time and water intake and at the same time it likes to see the pressure swich contact closed - the suds closes first, then the reached proper level closes after. If this contact is not made as time or water monitor runs out then the proper hf code is displayed. 1st close water to machine and take off the hoses at the machine, inside there are fine wire water filters - make sure that they are clean. Water flow obstraction means wasted time and the machine does not have too much of it to spare. If that is not the problem then select hot cycle, and cold cycle , and listen for water valve functions. If both are ok then you definitly have water running down the drain during fill. The only solution to that is to elevate the drain hose to the proper level as described in the installation manual. The ball in the bottom of the washer does act as a one way valve, which means that when the pump stops pumping the gravity acts and if the hose is at proper height then the weight of the water will force the ball to seat in the rubber boot thus closing the outlet. If its not closed then during the operation water could escape causing an hf code. Hope that this will aid your troubles. Oh ya, at the same time do inspect the rubber hose from the switch to the buttom of the drum as described in the prior post.

Posted: Mon Jan 30th, 2006 06:24 pm

42^nd Post

gordonh
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My washer is now running fine. I don't know exactly what I did to repair it. I checked water flow and it seemed fine. Checked the hose that was mentioned, also fine. Could not locate any real problem, so I removed drain hose at the bottom to check the ball for debris-found nothing obviously wrong-I cleaned the hose slightly and removed the ball to inspect. After I put it back together, the washer began to work fine and has ever since. The only thing I can think is that the ball was getting stuck-I remember seeing excessive water in the drum when the washer was throwing it's code and then not seeing the high water when it began to work-possibly from some of the muck I cleaned out of there. I'll post again if the thing quits again, Gordon

(by the way goofieshot, thanks for the help!) :cool:

Posted: Tue Jan 31st, 2006 02:17 am

43^rd Post

goofieshot
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Not sure what code are you getting ?? is it F9 or FH. I have experienced both. For FH, as far as i can understand this unit, my functional description stands as written before. I did forget to add that if the flow meter is not functioning then the washer will fail within the first minute of operation, thus eliminating the meter unit.

Now for the f9 code - manual specifies that there is too much water in the unit. So you will see lots of water resting on the door, not sure exactly how much as per measurement and if it actually is too much since it never leaks, but nevertheless sometimes i got an f9 code. -- Overflow contact closed for more than 60 sec. -- . Not sure how they measure time in Germany but from my experience with that contact was that if it closed for any period of time the washer would stop - alarm with a code and in roughly 30secs the pump would kick in pumping all the water out. The pump is running fine and the drain was clear of all debris. This problem was occurring almost every 2nd wash with the new pressure switch installed. I got frustrated with this washer and thought that the controller was not sensing the water flow correctly but just for the sake of it i replaced the new pressure switch with the 1 that i had removed. To my surprise the washer ran 10 loads with no probs, but on the 11th it did give me an f9 code. From that performance it can be assumed that the new switch that i got is slightly miss calibrated, not too happy about that. Having the switch apart, i did note the spring adjustments screws. Do not do this unless you have an intermittent F9 code, no pump probs and all drain components are clear of any debris. As normally situated in the machine the pressure switch has 3 long cylinders above the connector that are filled with red paint (call mark seal). In a machine that has many hrs on it the spring may loose some tension therefore acting prematurely. FROM THE TOP - THE THIRD ONE - or the 1 closest to the connector - fit in a flat driver and give 1/2 turn clockwise, personally i would not go more than 1 turn max. At this time all the F9 probs should disappear. Its always good practice to mark all your adjustments so they can be returned in case of trouble. Again i say - AT your own risk !! always check for leaks.

Posted: Tue Jan 31st, 2006 07:13 pm

44^th Post

gordonh
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I had the HF/FH code only. The machine would shut down after the 8min. limit. The tech sheet states: "If the control unit has turned the water valves on and after 8 min. the flow meter has detected 10.5 gal of water passing through it, but has not detected the pressure switch trip, the valves will be turned off and the error code will be flashed". Under this statemant there are two stated ways to look at this, 1. If there is no water in the unit, or 2. If there is water in the unit. Mine had water in it so the tech sheet told me to A. Verify drain pump operation or B. Make sure Pressure Switch Hose is in good condition and properly connected to Tub and Pressure switch. I believe A to have been the problem, pump was working properly, but check ball was sticking and not allowing water to drain properly. I never could actually verify this to be the problem, but thats my answer and I'm sticking to it!! :huh:

Gordon

Posted: Wed Feb 1st, 2006 11:02 pm

45^th Post

goofieshot
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hopefully your good to go then, time can only tell, there was so many times that i thought that i had this machine fixed, but at least its running with no codes now.

Posted: Wed Feb 1st, 2006 11:07 pm

46^th Post

goofieshot
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by the way - for all of you looking for the service manual for this machine it still can be found here DUET WASHER MANUAL

Posted: Sat Apr 8th, 2006 09:28 pm

47^th Post

dfrates
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I have a kenmore HE3T, HF code. I have rerouted drain hose, replaced pessure switch, cleaned out the "ball", checked pressure switch hose, flowmeter seems o.k., and still have the problem. The machine now has a few boot prints in it due to frustration. Any ideas ?, Thanks, Dennis.

Posted: Sun Apr 9th, 2006 06:12 am

48^th Post

Samurai Appliance Repair Man
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Does the washer, in fact, fill?

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Posted: Sun Apr 9th, 2006 01:27 pm

49^th Post

dfrates
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Yes, it does fill, at times you can run three or four loads with no problem. Other times it will shut down about every 30 seconds or so. Thanks, Dennis.

Posted: Sun Apr 9th, 2006 01:40 pm

50^th Post

Samurai Appliance Repair Man
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Unplug the machine, remove and re-install all wire harness connectors at the CCU, MCU, and flowmeter. Background info here.

Posted: Mon May 1st, 2006 11:15 pm

51^st Post

dfrates
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Still has same problem. This thing is driving me nuts !!! Everytime I just get up the cellar stairs, it starts it's beep. I tried removing and reinstalling the connectors, but no good. Any other help is greatly appreciated. Thanks, Dennis.

Posted: Tue May 2nd, 2006 12:24 am

52^nd Post

Samurai Appliance Repair Man
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Well, as explained in the post, you'll need to replace both boards:

MCU: http://www.repairclinic.com/referral.asp?R=154&N=1156588

CCU: http://www.repairclinic.com/referral.asp?R=154&N=1059575

Posted: Thu May 11th, 2006 12:54 am

53^rd Post

tooneplayer
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Frustrated and might be out of luck...I have the duet washer & dryer that we purchased 2 years ago from a friend who took it during a divorce. She needed the money, we bought it, come to find out, all serial numbers have been removed from the machines. I am also having the HF error to the point that you can no longer complete a load. Sears will not work on it due to serial# and aparently model#, missing. Can I use the repair book you refer to without knowing the model #?

Posted: Thu May 11th, 2006 02:59 am

54^th Post

Samurai Appliance Repair Man
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tooneplayer wrote:
Can I use the repair book you refer to without knowing the model #?
Ya sure, you betcha. Download away and study hard. Pop quiz in the morning... OOPS! ...forget I said that so it'll be a surprise. Thanks.

Posted: Thu May 11th, 2006 03:39 pm

55^th Post

tooneplayer
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Samurai Appliance Repair Man wrote: tooneplayer wrote:
Can I use the repair book you refer to without knowing the model #?
Ya sure, you betcha. Download away and study hard. Pop quiz in the morning... OOPS! ...forget I said that so it'll be a surprise. Thanks.

Master Samurai... you said download? Download what documents, or are you referring to the repair book you can purchase for $21.95?

Thank you Master,

Grasshopper

Posted: Thu May 11th, 2006 04:18 pm

56^th Post

Pegi
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DUET WASHER repair manual

DUET DRYER repair manual

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Posted: Thu May 11th, 2006 08:19 pm

57^th Post

dfrates
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It's Fixed !!!! After checking just about everything on the unit, I finally took a chance and ordered a "flowmeter". Guess what, it fixed the problem. I had tried everything from changing the drain setup to replacing the pressure switch to checking computer connections to cleaning lint out of the drain ball. I had originally checked the flowmeter by blowing thru it and it seemed fine. This thing runs like a top now !!! Thanks for your words of wisdom along the way. Dennis.

Posted: Tue Jun 6th, 2006 05:15 pm

58^th Post

wayno100
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I have duet washer also-6 months old-i have well water

I also got the dreaded HF code

i pulled the water lines to check the screens,and the cold water line had crud on it

i sprayed it with some good cleaner,borrowed the wifes toothbrush and gave it a good scrubbing.

Problem solved, oh and dont tell the wife!

Posted: Wed Jun 7th, 2006 05:58 am

59^th Post

jhschlak
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I had to shut off my water in my house to some plumbing work, now I tried to do some laundry and I get the H/f error. It occurs after a few minutes and there definitely is water in the washer. Can anyone tell me where there are instructions on how to verify drain pump operation, and where the pressure switch hose is?

Thanks,

Jeff

Posted: Wed Jun 7th, 2006 04:21 pm

60^th Post

Pegi
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This will save us all a lot of time....

... Duet Repair Manual

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