Question about LG LMV1813ST Microwave Oven

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LG LMV1813 F4 error code - LG LMV1813ST Microwave Oven

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F4 means sensor open, You have to check the Humidity sensor.
If you wish to get some details; visit the site linked here. Pull up older posts. http://electro-medical.blogspot.com/

Posted on Feb 07, 2017

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Posted on Jan 02, 2017

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My 6 year old LG above stove microwave is giving me an error message E-4 when I try to use reheat.


try unplugging the unit for about 5 min..... for the microwave to reset. Plug back in and try a microwaveable safe bowl with a little water for 30 sec. This may take care of the error message.
F4 indicates an open sensor

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Why does my GE Spacmaker display an error code F4 without turning on microwave whatsoever?


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During reheat and popcorn settings - the error code F4 appears


Hi hoodrd,
If you are encountering F4 error code from your Amana oven this is because you have an Open Oven Temperature Sensor. This error requires a replacement of new oven temperature. You may contact Sears for the replacement part at 1-800-252-1698; M-F 6:30 AM-10:30 PM - Sat 7:00 AM-9:30 PM - Sun 7:30 AM-9:30 PM - All times Central. Just get your model number ready when you call.
Hope this helps.
Thank you for using FixYa.

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''Press Clock'' but can't press buttons, then beeps with F4 error


F4
Open humidity sensor, will occur if humidity sensor is detected as being open continuously over 5 seconds Replace humidity sensor

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New GE Microwave JVM1750DM1BB with F4 error in Sensor cooking


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

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1 Answer

Microwave Ultrawave with Hood fan


You are right. f4 means shorted oven temperature sensor (RTD). Check sensor harness and harness connection between oven sensor and oven control. Replace oven temperature sensor (RTD) if wiring is ok.

Apr 04, 2008 | Microwave Ovens

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