Question about GE Spacemaker JVM1640SJ Microwave Oven

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Microwave will suddenly turn on, then give "F3" reading

So it'll suddenly turn on for no reason, the display might read "frozen vegetables", then it'll stop, beep, maybe turn on again and eventually all the controls will freeze and a message "F3" comes up and it'll be intermittently.

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  • GE Master
  • 9,047 Answers

F3 on a GE / Hotpoint microwave means you have a shorted membrane keypad.

If and when an oven is coming on or doing anything by itself, this is very dangerous and can result in a fire.

So until it is repaired, please leave it unplugged or leave the door open when it's not in use, and of course one should never leave a microwave unattended while cooking.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

If you would like to have us do this repair for you, we do that for $39.95 plus part costs nationwide.

But please note that for some GE models, the membrane keypad is not available as a separate part, so you would have to order the control panel frame assembly which comes with a new keypad.

In this case, you simply move your circuit board into the new frame.
That is a simple do-it-yourself job.

Either way, we can let you know what your options and costs would be and send you other helpful info.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Feel free to contact me
directly (and please remind me of your full model number from the tag on the unit) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Posted on May 06, 2010

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Posted on Jan 02, 2017

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1 Answer

HOTPOINT COUNTERSAVER PLUS RVM 1435 DISPLAY READS F3


"F3" on a GE / Hotpoint microwave means you have a shorted membrane keypad.

On RVM1435-series microwaves, the membrane keypad is not available as a separate part, so you would have to order the control panel frame assembly which comes with a new keypad.


In this case, you simply move your circuit board into the new frame. That is a simple do-it-yourself job.
You can find helpful exploded view diagrams and order parts by entering your full model number (RVM1435XX###) from the tag on the oven here.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Then you unplug the keypad (as per the photo below) and move the circuit board into your frame.


34374fd.jpg

Some connectors on the relays have a lock:
positivelock.jpg
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Nov 23, 2011 | Hotpoint RVM1435 Microwave Oven

1 Answer

GE Sensor Microwave model JES1456wf001 error code F3....how do we fix . Microwave comes on when plugged in and then reads to set clock and then it rings several times and we get an F3 code


F3 is a shorted key pad. To prove this, unplug the ribbon cable of the key pad from the control board and this symptom should go away when you plug the AC cord back into the wall. BE CAREFUL!!!

Sep 14, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

F3 flashing on display screen..no buttons work!


I have the same problem. However when I unplug the microwave from the wall outlet, let it sit for 10 seconds, then weird codes appear on the top line. Reset the clock and it shold work just fine.

zayd4@aol.com

Apr 28, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Spacemaker Model # jvm1650wh05 GONE CRAZY


I have a GE Spacemaker microwave oven and it is not heating the products. The light works, turntable turns but wont heat anything?

Jan 10, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Spacemaker beeping loud and f3 message driving us crazy


The error code F3 indicates an oven sensor problem. The oven sensor is most likely the failed part. The oven sensor probe must have the correct resistance readings at specific temperatures. When the electronic range control (ERC) cannot identify the correct resistance of the oven sensor or the resistance is way out of specs F3 will display.
I recommend calling a service technician to diagnose and repair your oven.

Dec 18, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Replaced key panel for F3 fault, still not working


This answer assumes that the new keypad is the right one and that it is plugged in correctly.

F3 is normally a bad keypad, but it may be debris or residue on the circuit board in the area that the keypad plugs into, or there may be some corrosion on the connections of the keypad connector.

Look for whitish or dark green deposits on the circuit board. These may be mineral deposits or tarnished copper due to moisture.

These are most common if one cooks on the stove top without turning on the hood vent exhaust fan.

Feel free to post a good close up photo or two of any area you suspect.

Feel free to contact me directly for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Sep 05, 2008 | GE JVM1850 1000 Watts Microwave Oven

1 Answer

Oven error -f3-


In most cases that code means you have a shorting keypad.

If you could post the full model number, I'd be happy to point you to the best source in case you or a friend want to replace it yourself.

Otherwise, we regularly repair these for customers nationwide for $39.95 postpaid plus thew cost of the keypad.

Details of our service and critical safety information and disassembly information is at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk


We're happy to help and we appreciate your thoughtful rating of our answer.

Feb 11, 2008 | Kenmore 66312/66319 Microwave Oven

1 Answer

Microwave


F3 occurs if the controller detects a key shorted for more than 60 seconds. Luckily, on this model, the "keypanel" as it's called is available as a separate part. If you or a friend decide to work on it, we have *critical* safety & disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering the model number here: http://tinyurl.com/gv383 The "keypanel" is shown as reference number 44 on that exploded view.

May 22, 2007 | GE JES1039 Microwave Oven

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