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GE JVM1750DM Microwave Oven Questions & Answers
Error code F-3
F3
Key panel (touch pad) shorted
This code will occur if a shorted key panel is detected continuously over 60 seconds. Replace key panel (also called touch pad).
JVM1750DM1BB microwave vent fan button not
sound like you have a problem with the eschelon, maybe a bad or sticking button
i would replace the entire control board
its very easy
unplug the machine, open the door and remove the one screw just inside the door jam
lift up and out, write down all your plug positions and remove the wires
call appliancepartspros.com
and order this part
AP3993712
its a repalcement control board
120.00
I've got a GE Advantium 120/Model ZCS1001KSS01, the display will get lines thru it, and comes in and out of view, and will always finish its cycle. however, when you go back to use, it is dead.
The problem with your Display of your GE Microwave/Speedcooker is not the Digitron WB27X10856 display board? The flickering and ultimately failure over of the display is due to the WB27X10861 GE microwave control board which is a rebranded (LG 6871W1A417/6871W1A417A board) which GE then sells as a markup. The princple purpose of this board is to convert (i.e. rectify) AC to DC at various voltage levels needed by the rest of the microwave to run their control circuits in the microwave. A portion of the GE microwave is always on so the AC/DC supplly is always on. Overtime the electrolytic capacitors in a section of the board fail or degrade to a point they the DC suppy starts to produce ripples in the DC power supply which results in circuit board failures. These ripples produce deep spikes of voltage of 120 Hz that the other circuits are sensitive too. I just exmined a failed WB27X10861 board and measued the capacitance of each of the seven electroylic capacitors. Of the 7 capacitors, 2 had failed over time. The others 5 have degraded 10 to 15 percent but still within their design spec. The two that failed, C07 - 1000uF 25 V had a measured value of 207uF and the other C08 - 220uF had a measured value of 13uF. There was no visible bloating on either SAMWHA SG capacitor. Nomally, these capacitors are rated at 2000 hour at 85 degree C. 2000 hr is only 83 days, but since the voltage is less and the temperature is probably 40 to 50 degrees inside the capacitor these capacitors may last 10 years. They harder they work the shorter the lifespan. There are two solutions, either purchase a new replacement control board or replace the failed C07 and C08 capacitors within the failed board with better ones. You can easily buy 10,000 hour , 105 degree C rated capacitors for probably 25 cents more than 2,000 hour capacitor. Most people don't have the resouces to repair a board so buying a new board is their only solution. Don't buy a used board on ebay because a used board is probably on the verge of failure.
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