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Downdraft fan turns on automatically when gas burner is turned on

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I have a Jenn Air gas stove with a built in down draft fan. When I ignite either of the

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Old 09-15-2011, 08:19 AM
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Default Downdraft fan turns on automatically when gas burner is turned on
Brand: Jenn-Air   Age: More than 10 years   

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I have a Jenn Air gas stove with a built in down draft fan. When I ignite either of the burners on the left side the fan turns on automatically to the high setting and it can't be shut it off without shutting off the burners on the left side of the stove. This doesn't happen with the 2 right sided burners. How do I fix this?

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Old 10-13-2011, 12:11 PM
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I have a Jenn Air also that does the same thing. However, if you can slide the burners to the front it will turn off the down draft fan. At least, that is how my stove works. Good luck!
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Old 10-14-2011, 07:32 AM
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Originally Posted by bigjake111 View Post
I have a Jenn Air gas stove with a built in down draft fan. When I ignite either of the burners on the left side the fan turns on automatically to the high setting and it can't be shut it off without shutting off the burners on the left side of the stove. This doesn't happen with the 2 right sided burners. How do I fix this?
Bigjake,

If you have the "E" burner (barbque grille) in the left bay, that is normal operation.

If you have the two burner conversion kit in the left bay, You will need to check the bypass tongue on the bottom of the araeation(drip) pan and adjust it to activate the by pass switch for the down draft fan.

Thanks and Good Luck,
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Old 11-19-2012, 06:16 PM
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Quote:
Originally Posted by Joe / APP Team View Post
Bigjake,

If you have the "E" burner (barbque grille) in the left bay, that is normal operation.

If you have the two burner conversion kit in the left bay, You will need to check the bypass tongue on the bottom of the araeation(drip) pan and adjust it to activate the by pass switch for the down draft fan.

Thanks and Good Luck,
Can you repeat that second sentence in English? Are you saying if I buy the burners I can turn this "feature" off? Can I turn it off either way? I sure don't need a fan blowing on high while boiling water!
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Old 11-20-2012, 07:25 AM
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Can you repeat that second sentence in English? Are you saying if I buy the burners I can turn this "feature" off? Can I turn it off either way? I sure don't need a fan blowing on high while boiling water!
Vudean, If you have a Jenn Air "gas" range or cooktop, with a down draft fan, it is designed to activate the down draft fan, whenever the left side bay switches are on, The left side bay is a "grille" for "bar be quing" If you purchase and install a burner conversion kit

Part number: AP4122839

Part number: AP4122839


the areation pan (drip pan) has a "tongue" or lever on the bottom, that when you install the pan, the lever activates a"by pass" switch, that deactivates the down draft fan motor, and you'll have to manually activate the down draft motor with the switch on the control panel. Thanks
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Last edited by Joe / APP Team : 11-20-2012 at 07:28 AM.
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Old 08-04-2014, 06:08 PM
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I'm having the same problem with my Jenn-Aire model # JDS9860BDS. I removed the cartridge and did not see a "tongue" or lever. Do you have to remove the drip pan to find the "tongue" or lever on the bottom to bypass the activation switch? I did not remove the drip pan but used a flashlight and mirror to inspect the underside and did not see the lever you describe.
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Old 08-18-2014, 09:43 AM
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I'm having the same problem with my Jenn-Aire model # JDS9860BDS. I removed the cartridge and did not see a "tongue" or lever. Do you have to remove the drip pan to find the "tongue" or lever on the bottom to bypass the activation switch? I did not remove the drip pan but used a flashlight and mirror to inspect the underside and did not see the lever you describe.
jejocrane, Thank you for the model number of your range. Your range is slightly different than the previous posts(they forgot to attach a model number).

In your case, you have to remove the complete dual burner cartridge,

Part number: AP5804347

Part number: AP5804347


Once removed, you should "see" the plunger of the "Snap Switch"

Part number: AP4099548

Part number: AP4099548


Protruding from the front bay wall. You'll need to check that the plunger is working and the switch assembly isn't loose or out of adjustment.

When you insert the burner cartridge assembly and it is seated and attached properly, the base housing of the cartridge should contact the plunger and press the plunger in, to bypass the down draft fan motor circuit.
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