Question about GE Spacemaker JVM1640SJ Microwave Oven

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New GE Microwave JVM1750DM1BB with F4 error in Sensor cooking

We just installed our new GE Elite over the range microwave last week. I tried the sensor reheat for the first time yesterday. I got an F4 error, and figured that it was because my portion size was larger than a single serving. Today, I tried to use the beverage feature (which is also sensor reheat/cooking) to reheat my coffee, and got the F4 error again. The manual doesn't seem to answer what F4 means. Does anyone know? I'm getting the feeling there is something wrong with my brand new microwave....

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  • luvscows Feb 08, 2009

    What does "open humidity sensor" mean, and how do I fix it?



    I tried unplugging the microwave for about a minute (probably under a minute, I was impatient), and it didn't help. Perhaps it needs to be unplugged a bit longer.



    We paid extra for the model with the sensor heating feature, and we can't even use it! My husband is not going to want to uninstall the microwave and return it, nor is it fair that we would have to pay to repair it ourselves to avoid the hassle.



    How does the document you sent for keypad replacement refer to my problem?



    Thanks for your help.

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GE
Microwave Fault Codes Failure
Code
Condition Check/Repair F1 Open sensor, will occur below 190F of cavity temperature within 15 minutes after starting convection, combination or roast cook Check oven temperature sensor for continuity. Replace if zero or infinite ohms F2 Shorted thermal sensor, will occur if a shorted thermal sensor is detected continuously over 5 seconds on convection, combination or roast cooking Check oven temperature sensor for continuity. Replace if zero or infinite ohms

Note: It will take a minimum of 5 minutes of convection run time before F1 or F2 code will be displayed if the thermal sensor is shorted or open. F3 Shorted key panel (touch pad), will occur if a shorted key panel is detected continuously over 60 seconds Replace key panel (touch pad) F4 Open humidity sensor, will occur if humidity sensor is detected as being open continuously over 5 seconds Replace humidity sensor F5 Shorted humidity sensor, will occur if humidity sensor is detected as being shorted continuously over 5 seconds Replace humidity sensor F6 Shorted temperature probe, will occur if temperature probe is detected as shorted continuously over 5 seconds Replace temperature probe ProbEe Open temperature probe, will occur if temperature probe is detected open, or not plugged into the receptacle If probe is plugged in and "ProbE" is on display check continuity of the probe with an ohm meter. If zero or infinite ohms, replace it

Posted on Feb 08, 2009

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F4 means an open humidity sensor, but sometimes this error is bogus and can be reset by unplugging the oven for a minute or so.

manual: exploded view:http://www.microwavedisplay.com/keypad_replacement.pdf

http://www.appliancepartspros.com/
Enter model number at this site to order a part if need be

Posted on Feb 08, 2009

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Hello :

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