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Manage My Life

Hoover SteamVac Dual V Carpet Cleaner F7412-900 will not spray water/cleaner on WASH, but RINSE works fine.

by Manage My Life Last activity date:
March 29th, 2013

My Hoover SteamVac Carpet Cleaner (Model F7412-900) will distribute clean water/carpet shampoo mixture when switched on WASH. It does distribute clean water when switched to RINSE. Vacuum suction works great. Any ideas what the problem is?

Tags:
Upright Vacuums , Small Kitchen Appliances
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Answers (11)
Manage My Life
My Hoover SteamVac does not spray the water/shampoo mixture when on the WASH setting, but water sprays fine on the WASH setting (I do not have the AUTO-RINSE feature). How difficult is it to install the pump and pressure valve? Do you have the schematics for my model #F7412-900? I just can't afford to spend another $100.00 for repairs.
by Manage My Life
March 29th, 2013
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Mark T
Thank you posting the details. If you do not get and water pressure in any mode, I suspect the pump is the problem. To be sure, I recommend checking the voltage to the pump. First, gain access to the pump. Then connect your meter leads to the pump wires. Once they are connected plug the unit in and check the voltage. If you have voltage to the pump and it does not run the pump is defective.

I hope this is helpful. Please let me know what you find.
Thank you for using Manage my life.

Mark T.
by Mark T
January 8th, 2013
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Manage My Life
SAM A,
I have a Hoover F220-900 model steam vac. I'm having similar problems as Sherry with my steam vac. Water flows in Rinse Mode, no water/cleaner in Wash Mode. I have checked continuity across all the switches, I have power at both solenoids and the P Solenoid seems to open and close when the handle trigger is pulled in the Wash Mode. I disconnected the tubing upstream of the P solenoid and with the machine running in the Wash Mode and the handle trigger pulled, I get no water out of the tubbing. Strangely enough, when I turn the machine off, water flows out of the tubing. I also attached the accessory hose and got no water out with the trigger pulled in the Wash Mode. I am fairly certain that I have ruled out everything other than the pump and the pressure valve. Based on the symptoms which part would you recommend replacing first? Thanks in advance for the help.
John
by Manage My Life
January 7th, 2013
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Sam A
Thank you for the update on the Auto rinse. I see that it is optional on some models. Only some of the information would help with the diagnosis of the problem you are having. I am thinking that maybe the hydraulic valve is the problem.
Was the dealer you took it to an authorized Hoover repair location?

If they were not then I would suggest that you find one in your area if there is one. I can also give you a contact at Hoover that may help you solve the problem or at least direct you to a Hoover repair station. 1-800-944-9200.

Sam A.
by Sam A
November 24th, 2012
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Manage My Life
My machine does not have the AUTO RINSE option so it does not RINSE on the backward pass. On WASH it only sprays a shampoo/water mixture when the trigger is held. On RINSE it only sprays water when the trigger is held. Without the AUTO WASH option do the possible issues you mentioned before still apply?

I purchased it form Kmart in 2010 and my EPP expired. It took my machine to a vacuum repair shop not connected with Sears. I really wish I would have taken it to them to begin with.
by Manage My Life
November 21st, 2012
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Sam A
Thank you for the update on the carpet cleaner. This unit has a micro switch on the right wheel so when you back up with the cleaner it turns the solution shampoo off and just let’s rinse water through to the carpet. When go forward again and you have the trigger pulled it with mix the clear water with the soap solution. The pump will work for the hose cleaning but it sounds like the solution side is not working.

If you can get soap and water out the hose cleaning system that will tell you that the pump is working.

So it could be the micro-switch or the solenoid valve that is causing the problem.

There also is a separate pump solenoid that opens during the solution dispensing and a reverse pressure valve that also is in the water system to change from mix the water with the solution.

I will give you three flow charts that may help you.

Is the carpet cleaner at one of the Sears repair locations for at an authorized Hoover repair location?

Sam A.
by Sam A
November 21st, 2012
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Manage My Life
Thank you so much for the information. From information that I gathered before finding this website (from others that have the exact same problem with their Hoover) they suggested that the problem could be the solenoid and suggested connecting the hose attachment for a test to make sure that there was not a problem with the pump. My hose test resulted the same thing (worked on RINSE not on WASH). Could it be a problem with the solenoid as well? If not could you explain to me why it could be ruled out?


You see I took my machine to a repair shop back in May. At first they claimed that both my solenoids were shot. After explaining to them that I disagreed based on info that I gathered from other sources they backpeddled and told me it was just one. My machine has been in their shop since May because my part was was supposedly on backorder and just arrived in September. Now when I went to the shop expecting it to be finished (its now November) they are trying to tell me the my pump is shot and its very costly to repair. So I've been trying to educate myself because I'm sure they are wrong. Anything that you could add I would be greatful. And if not, you have been very helpful and I can't thank you enough.
by Manage My Life
November 20th, 2012
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Sam A
Thank you for the update Sherry. It is highly likely that the dual switch has failed if before you had to switch it back and forth to get it to work. I would suggest replacing the dual switch in the handle. If you decide to repair it yourself you will need to remove the tool rack on the back of the handle and then remove the screws on the back side of the handle to gain access to the duel switch inside the handle.

I will give you the part number for the switch below in the link.

Sam A.
by Sam A
November 20th, 2012
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Manage My Life
The valve cap was the first thing that I checked. The last time that I used the machine I had to flip the RINSE/WASH switch back and forth before it would work on the WASH setting (it would not spray clean water & shampoo mixture at all). Now the machine works great on RINSE (sprays water), but when switched to the WASH setting it doesn't spray clean water or soap.
I hooked up the hose attachment and same thing happened. It sprayed water on RINSE, but nothing came out of hose on WASH.
by Manage My Life
November 19th, 2012
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Sam A
Thank you for your question as to why the solution will not dispense but the rinse water will.

It sounds like the valve cap is clogged and you will need to clean it before it will dispense solution.

I have given you the instructions in the image below.

If it does not solve the problem we can continue to troubleshoot.

Thank you.
by Sam A
November 19th, 2012
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Manage My Life
Carpet cleaning is a tough job. You do not need it to be tougher. I did some checking and located a similar question that may provide some help while you wait for the expert. I also added the online owner's manual for your model. I hope these links help get the carpet finished.
Answered in 6 minutes
by Manage My Life
November 16th, 2012
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