Rank: Member
Groups: Registered
Joined: 8/20/2010(UTC)
Posts: 1
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my telescoping downdraft vent GE (JVB 94) is not working -no sound ,no signal and the vent is not going up and down ( the up/down switch is not response at all). it looks the vent top is completely fitted to the bottom and I can pull up the vent by hand but not stay . looks like no power at all. Checked the electric power from the wall , it is o.k . Which part do I have to check ?? Read more: http://forum.appliancepartspros...-vent.html#ixzz0xHGHl39w http://forum.appliancepartspros.com
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Rank: Member
Groups: Registered
Joined: 1/15/2014(UTC)
Posts: 1
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main switch / fuse? If there is power coming out of the wall, check the diodes on the control.
Mine is jvb94sh1ss. There are is a small circuit inside the box under. In there you will see two diodes : rectifier and zener. Use an ohmmeter to test those two. both ends should have a resistance. If none (zero reading), try swapping the probes of ohmmeter. If it is still open, then it is bad.
I got the parts from Radioshack. The SKUs are 276-1103 and 276-563. The diode ids are 1N4004 and 1NT4742A.
Good luck!
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