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How to replace up/down switch in downdraft vent for cooktop

We have a downdraft cooktop vent that has a down (when not in use) and up (when in use) position. After my wife, put cleaning solution on the up/down switch, the vent remains in the "up" position. The blower, however, works fine. I am guessing that the cleaning solution shorted out the switch. I bought another switch, but alas, I cannot figure out how to get into the housing to replace the existing switch! Can you help me with step by step ideas about how to get into the housing and "switch out" the switches? Thank you for your time and help. Re: GE 30" Downdraft Vent Model JVB94SH1SS

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Re: How to replace up/down switch in downdraft vent for...

Does any body know where I can get the schematic for the PC Board P/N 959-0138-003 by ACT, Inc.?

Thank you.

Posted on Dec 30, 2013

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SOURCE: JVB37H1BB downdraft ventilation system stuck

Folks, I have experienced the same problem several times - in all of my cases the problem was solved by simply opening the back panel and taking out the motor assembly and re-aligning it. Check out this URL for a blow up of what's inside and parts list -

The problem is that the arm tends to slip out and therefore won't raise or lower the hood anymore. Be careful when aligning it can be a little tricky - carefully observe the how the motor works outside of the housing via the switch and you will get the idea.

Posted on Sep 01, 2011

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