Question about Frigidaire PLMV169DC Microwave Oven
My microwave was making a loud hum when turned on and did not heat up. The unit continued to hum and died after about 5 seconds of running. I replaced the RECTIFIER (Diode) AppliancePratsPros Part Number: AP4362626, and a bad thermal fuse AppliancePratsPros Part Number: AP4360246 (Switch / Fuse combo). The unit only ran for about 3 seconds before blowing the fuse again. What would be the next part to try replacing? Any help would be greatly appreciated...
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Posted on Jan 02, 2017
The rectifier diode could indeed be bad. But first I would want to know what value (in uF) the old one was and what is the value of the new one? If they're too far off, the difference in the capacitive reactance could throw off the "tuning" of the circuit. The uF value of the capacitor is optimized in relation to the other components used in the system. Of course, you'd also want to be sure your new cap is at or slightly above the working voltage rating of the old one, too.
Posted on Jan 05, 2007
A) The fuse you change was the one on top just behind the control board? correct? Not the one on the door hinge side of the microwave. (as is is the Thermal cutout ) Then most likely took out the control board... i would also check the Capacitor and recifier let me know it this helped?
Posted on Aug 18, 2007
First of all, what are the symptoms? Please reply back and I'll be happy to share my thoughts.
Many parts can be accessed without removing the oven from the wall by just removing the control panel.
You need to be sure the cord is unplugged, then you remove the vent grille that runs across the top.
Then you'll see a screw holding the control panel in place. Once that screw is out, you can lift out and out carefully to separate the control panel form the chassis.
If you pull any wires off the control panel, mark and/or photograph them first to be sure you get them ALL back in the right place.
There may also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.
Before you start, we have *critical* safety & disassembly info at our site. You'll find a link to our site in our listing here on FixYa: http://tinyurl.com/yzjozk
While they don't have their installation instructions online, the owner's manual is online here.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Mar 31, 2008
Likely takes a torx wrench or some other special star tool to open it.
Could be a bad relay a bad mag tube or a bad timmer or a bad door switch. Needs to be trouble shooted. You have to get it open and check the fuses and test the voltage on the pri transformer first.
Posted on Jan 14, 2009
Hi,It is most likely the magnetron and diode that has to be replaced. This job should be done by a tech, High voltage. Magnetron's normally have a five year warranty, check your owners manual.
Posted on Mar 20, 2009
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