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The downdraft is electric so there must be something malfunctioning with it. It is a high volume downdraft fan that is to be vented to the outside. Could it be that something has clogged the vent hole up, not allowing the fan to evacuate the smoke?
While I am not a big fan of Jenn-Air, their fans are usually high quality if they are installed correctly, with the proper vent lines.
The poupose of either is to eliminate any smoke created by the range or grille and move as much of the cooking odors to the outside. I wouldn't use both at the same time, but if the hood is vented to the outside, it would be just fine to use only the hood. Aregular cleaning will be necesssary. The downdraft has limits as to the distance it will efficiently exhaust air. Flex hose should not be used. And excessive bends or vent length, cuts into the efficiency.
Most stove vents have a diverter plate which prevents air from coming in. When the fan is turned on, this diverter is opened by the air flow and allows the air to flow through. It sounds like this plate is either stuck or was not installed when the ventilation duct was installed.
Yes you can. Call Jenn Air ((877) 232-6771) and give them your model number (serial is helpful too). They sent my replacement glass within a week. I have a model JED8430ABD from 2000 and they had the top. Fit perfectly and took about an hour to replace.
To change it out, after unplugging the cooktop, I removed the metal tape connecting the external vent shaft to the blower. Then I just lifted the entire cooktop out up out of the countertop so I could access the screws on the sides of the cooktop (looking at the edges of the new cooktop glass helped me figure out which screws to remove around the edge). Then I removed the 2 screws in the vent area on top (1 black screw on each side). And that released the cooktop glass from the metal box that holds the burners. I then took the rubber rings out of the knob holes so I could put them in the new cooktop (I almost missed that...). Finally, I put the new cooktop glass on, put the screws back in, lowered the cooktop back into the counter, and retaped the blower to the vent shaft. Voila!
I really wouldn't be afraid of doing this yourself if you are handy at all. And it will save you a ton. Good luck.
PS The screws around the perimeter are hexigon shapped, so you can't just use a screwdriver. I found my Black & Decker electric screwdriver had that same shaped hole that it held the bit, so I just pulled out the bit and used the screwdriver that way. Worked like a charm.
the only way is to block off/check the flapper., if your not going to use for the winter you can disconnect the vent from under the cabinet temporaily and close off there till you can gain access to check outside grill
How do you get the inside area of the vent clean from the grease and oils where the filter is?? I have a rectangular box style downdraft that the vent goes into the floor, I pulled the filter, but the box is to slender to get an arm into to scrub the grease....... does the bottom come off, or is it a sealed unit? How do you get all the brease from the bottom if you cannot reach it?
Rotate the blower to the proper angle
needed for your installation. The blower
can be swiveled 90°. To rotate the blower:
a) Remove the filter from the blower housing
b) Loosen, but do not remove, the nuts
around blower inlet.
c) Rotate the blower housing for the
d) Retighten the four nuts and install the
try this its general for this type of cooktop