• ** REMEMBER! **The microwave can still shock you even unplugged!!

    ALWAYS discharge the high-voltage capacitor first if you even think your hands will come close to any HIGH VOLTAGE components.

    Jeff mentions this: Anything in the high voltage ( magnetron, capacitor, diode, wires to and from ):
    ...Use a metal ( not the shiny chrome type ) screw driver with a insulated handle to short across ( touch both at the same time ) the terminals of the high voltage capacitor to discharge it.

    From Jeff's site: http://www.applianceaid.com/component-testing.php

    Jake
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FIXED FGMV176NTW Frigidaire Microwave blows fuses...

divide_by_zero

Premium Member
Joined
Feb 27, 2020
Messages
14
Location
Dayton, Ohio
I have received the two parts from Appliance Parts Pros. Before I let 'er rip, I have two questions. I read in another thread that the diode and capacitor or diode and magnetron could mutually cause the other to fail if one was bad.

1. Would it be prudent to go ahead and install the new diode?
2. Would it be okay to fire it up first with the magnetron unplugged to see that it doesn't (or does) blow the fuse?
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
37,647
Location
Murray, Utah 84107, United States
It's not a safe idea. I have never had a reason to try that. If you do be sure to insulate the wire ends. There's over 2000 VDC and that's deadly voltage.

Caution.jpg
 
Last edited:

Luke Finley

Premium Member
Joined
Apr 12, 2018
Messages
37
Location
Iowa
See if this helps. I've run into a lot of these where the switches check ok, but there's still an issue. This is the most updated service bulletin.
 

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rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
37,647
Location
Murray, Utah 84107, United States
The diode might be OK, Keep in the package and don't open it unless you need it. If you don't open it you can return it.
You don't need to replace it
 
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