Question about Jenn-Air HV363 Kitchen Hood

3 Answers

HV363 Kitchen Hood

When button is pushed hood rises and then immediately lowers and shuts off.  Sometimes it works normally ie; stays up and blower activates.  Sometimes it rises and lowers twice before stopping.  Any ideas?  I tried adjusting the switch position but it is pushed all the way up.  It almost seems as though it should go a little higher.  Maybe it just needs a new switch.  It's less than a year old but I can't find the receipt.

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  • 5 more comments 
  • sbron Oct 25, 2007

    Switch is under a membrane which keeps the switch clean.  Since the unit is less than a year old and has not been used alot it should not be dirty.  I have no receipt that I can find so I have no warranty.

  • sbron Oct 29, 2007

    As far as I can see on the documents that came with the blower, there is not a limit switch. There is what they refer to as an up/down switch which is mounted under a diaphram to protect it from dirt. I have already ordered a replacement which should arrive within the next two days. I will disassemble the top of the unit then and replace that switch.

    Although this is described as a hood, it is a pop-up down draft blower unit. To assess the problem you reallly need to have the drawing/parts diagram or be familiar with the unit. Thanks.

  • sbron Nov 01, 2007

    I have the manuel that came with the unit and I know that the switch is ajdustable and how to do it. The adjustment will not solve the problem. Seems like there is not enough adjustment travel.

  • sbron Nov 01, 2007

    I have adjusted the switch endlessly. It will not actuate at all until I reach the very top of the adjustment range, then it occasionally works normaly but more often goes up and then back down and shuts off or up and sown twice and shuts off. I have come to the conclusion that there is a problem with the diaphram that is part of the top trim that keeps dirt away from the switch. The switch is simply a push on push off switch. Works fine with the cover removed but not with the cover mounted. Diaphram is not broken but it does sag in the center slightly. I recall when the unit was installed the diaphram had to be mounted to the underside of the trip panel. Peel off and stuck on. This is not listed as a seperate part in the parts breakdown but it came as a seperate piece. I think that's what I need. I have a new switch but I don't think that's the problem. I will try to order the diaphram only.

  • sbron Nov 01, 2007

    Well this is a better answer. The up/down switch is working. I already bought a new one but discovered today that it will not come out while the unit is mounted in the counter. As a result I had decided that I will not do the repair myself. I have not been able to find a serial number on the unit so far. The Mfg tag is visable and has the model number etc but I can not see any serial # on it. Any idea where else it might be?

  • sbron Nov 02, 2007

    Comment posted by Solutionguy is spot on. I could not find anyone at Magic Chef, Maytag, Jenn Air etc who could or would help define the problem. What I didn't want was to pay for some guy to come out who didn't know anymore than I did about this particular unit. Turns out that Broan makes a unit which is identical except that they mount the blower motor outside the house. Parts list and wireing diagram are the same. The woman at the Broan (800-637-1453) service desk knew the unit inside and out and immediately identified the problem and part number which is described in the parts list as "lower switch bracket assy". Now all I need is someone who cane properly install it.

  • sbron Nov 02, 2007

    It turns out that is is out of warrante and since I have no receipt I will have to pay for service. Any good suggestions? I am in far West Houston, TX. Near Katy Tx. Thanks for all the help.

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3 Answers

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  • Master
  • 331 Answers

If y'all don't mind, I'd like to add a few things. Sbron, IMHO, you're looking in the wrong spot. Based on what you describe as the problem, it sounds like the upper limit switch is loose or electrically intermittent. If you look at the link Cerfer 39 posted on page 4, right hand column top, you'll see the schematic. In the top right portion of the schematic, you'll see 2 switches, one normally closed (N.C.) and one normally open (N.O). Their upside down in the schematic... the switch depicted on top is actually the lower limit switch and vice-versa. It's the upper limit switch (N.O) that I believe is at issue here.

See, when the hood travels to its upper limit, the switch closes and sends power to the speed selector and blower motor and the lower limit opens and kills power to the gear motor. If either of these limiters fail, your hood will do some wacky things... like what you are describing, but if I were working on it I'd focus my attention on the upper switch.

Know this...access to the switch assembly is difficult if you do this while it's still in the counter top. The blower housing has to come off along with the blower motor and air box cover.

I'd pursue a different course of action if I were you. You know it's less than a year old but don't have the receipt. No problem despite what they say... this thing could have been bought and sold 15 times during its 1'st year, but it'd STILL be under warranty! Even without paperwork. The model number and serial number contain the exact date of manufacture (I know that you didn't buy it the day it rolled off the assembly line, so here's hoping that the manufacture date is less than a year ago.) and is all you need Call 1-800-688-9900 (USA) or 1-800-688-2002 (Can) and provide the complete model and serial numbers and get the Maytag man out to your house. DON'T DO ANY REPAIRS ON IT YOURSELF!!! THIS MAY VOID YOUR LEGAL WARRANTY CLAIM!

If the manufacture date is more than a year ago (Maytag will be able to tell you the date, btw), I'm afraid it'll be out of warranty unless you can find the original receipt. If this turns out to be the case, write back and let us know and I'll get you the part numbers for the upper and lower limit switches...

Posted on Nov 01, 2007

  • 1 more comment 
  • Tracy Farrell
    Tracy Farrell Nov 02, 2007

    Copy all the info off of the data tag. The serial number should be there. It may not actually "say" serial number... it may be manufacturer number or some such, but it'll be there.

  • Tracy Farrell
    Tracy Farrell Nov 02, 2007

    sbron, I'm glad we were able to help... although I know that it's not what you wanted to hear. Sorry that it was out of warranty. I know also that this has been a real pain for you.

    Given that we were able to accurately diagnose your problem, would you consider this a "Solved"? If so, please indicate this (our rankings/ratings let us and future posters know how we are doing).

    Thanks for using "FixYa"
    Tracy

  • Tracy Farrell
    Tracy Farrell Nov 02, 2007

    sbron, thanks for the update. I forgot to mention that I have no contacts for appliance repair companies in or around Houston. Sorry. I'm in Austin, BTW. I would suggest, however, that you seek a Family owned repair company. Not one with a full page ad in the Yellow Pages... they'll not have the high overhead and will deal with you personally. Like Champion Appliance in Austin would.

    Anyway, good luck with the repair.

    Tracy

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  • Master
  • 709 Answers

Hi

I have studied the drawings for your Air vent.  looking on Page 4 of the following manual, you will see how to adjust the switch asembly.  Jenn-Air does say it could have been dislodged during transport or installation.  The provide the instructions for adjustment.  here is the URL to get the manual.
http://jennair.com/assets/product/99041985L.PDF

now go look at Page 4 and try the procedure.  looks pretty simple.

Posted on Nov 01, 2007

  • 2 more comments 
  • Greg Stokes
    Greg Stokes Nov 01, 2007

    You may have it set to tight against the membrane.

  • Greg Stokes
    Greg Stokes Nov 01, 2007

    By The way the schematic is in the manual URL posted Above. From the description I have believe the switches are embedded in with the up/down switch assembly. It is nestled under the top cover on the Right side. Let me know whow it goes.

  • Greg Stokes
    Greg Stokes Nov 01, 2007

    Hi Sbron,



    Sorry did not mean to offend you.  I know you said in your post that you adjust this switch.   The Procedure sais to adjust the switch up till it "just" touches the membrane. My Concern is that you seem to want to force it further.



    On the lost Reciept. Lots of times you can refer to Crdit Card issuer statements, or even go to the Store you bought the unit, and they may have records, or will help you get a replacement reciept. They know your a customer, and will help you in hope that you will buy from them again.

  • Greg Stokes
    Greg Stokes Nov 02, 2007

    Hi SBron,



    I apologize for not being able to help you. Solution Guy you rock, on your Answer. You should try Craig at the 1st Call Appliance Repair. They serve the Katy Texas area. Call (281)358-0088. They have a very good reputation. I believe if you ask for Craig to come out you will get a good man, and he should be able to get you back up and running. I also belioeve they will stick to the quotes they give you.

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  • Master
  • 640 Answers

Either the button is sticking or the switch needs to be replaced.remove all power and try again.

Posted on Oct 25, 2007

  • anthony james
    anthony james Oct 29, 2007

    if you can access the hoodthere may be a limit switch and it may be sticking closed.im trying to find a schematic

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