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F4 code - Magic Chef CMV1000B Microwave Oven

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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LG LMV1813 F4 error code

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.

Jan 31, 2017 | LG LMV1813ST Microwave Oven

1 Answer

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

If you wish to get some details microwave repair and Error codes ; check the site linked here. Pull up older posts...

Sep 03, 2016 | GE Microwave Ovens

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When trying to Popcorn the touch pad is dead and comes up on the display F4?

Its you humidity sensor causing the code:
F4 - Open humidity sensor, will occur if humidity sensor is detected as being open continuously over 5 seconds, it says to replace the sensor.

You can order it in

Hope this helps.

Aug 11, 2011 | Microwave Ovens

1 Answer

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.

Jan 17, 2011 | Amana ACO1860 Microwave Oven

1 Answer

My kitchenaide convection oven is displaying the E1 F4 error.

KitchenAid ovens are popular for their classic design and simple user interface. When a problem occurs in the function of a KitchenAid oven, an error code will display on the clock as soon as the malfunction registers in the oven's memory. Each code corresponds to a particular type of malfunction. Most can be corrected by disconnecting the power supply for one minute and then restarting. If the code persists, either replace the indicated part or contact a service center. F0/F1
  • The F0 and F1 codes refer to electrical issues. If the code appears as only two digits, the problem is a transistor failure, so you must replace the electronic range control (ERC). If the code displays four digits, it will read F0-E0, which indicates a failure switching from analog to digital, or F1-E1, which refers to a safety flip-flop. Both problems require the replacement of the ERC.
  • F2/F3/F4
  • The F2, F3 and F4 codes refer to problems with the oven temperature sensor or the keypad. If you see the two-digit F2 code, it means your keypad has shorted and the ERC must be replaced. The four-digit F2-E0 code means that the oven temperature is too high. Test the door lock and the relay operation, and correct as necessary. A two-digit F3 code means an open temperature sensor or thermal fuse, so those parts must be replaced. A four-digit F3-E0, F3-E1, F3-E2 or F3-E3 code or a two-digit F4 code means that either the oven is registering as too hot or the temperature sensor has shorted. Either way, the oven temperature sensor must be replaced.
  • Nov 22, 2010 | Microwave Ovens

    1 Answer

    Can you tell me what code F4 means? model

    Code F4 means you need to repair the line to or replace the oven temperature sensor. The line typically runs from the display to the back of the oven, you'll have to trace it yourself. The oven sensor should be mounted to the back of the oven lining (Obviously on the inside) by two screws. Disconnect the power from the unit and unmount the sensor to check it, you should have around 1080 ohms of resistance but first you'll have to get that annoying plastic housing of wires through the mount hole and disconnect it so you don't lose it inside the oven. If you don't see screws from the inside of your oven than you'll have to remove the back panel to access them, but this may be a good thing as you don't have to worry about fiddling the plastic connector piece into the oven. You're measuring the resistance from one lead to the other inside that plastic housing, again at around 1080 ohms in a 70 degree environment. If you're way off, or 5 - 6 ohms off, you'll need to replace the sensor. If the error occurs while cooking you can also run the oven hot, turn off and disconnect the power and take your measurements again. If they read the same your wiring harness should be okay and replace the sensor.

    Oh and btw, you'll most likely have to splice the wires to adapt to your new sensor they're never the same.. not in my experience lately anyway.

    Apr 25, 2010 | Amana MVH230 Microwave Oven

    1 Answer

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

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

    Sep 07, 2009 | GE Microwave Ovens

    2 Answers

    New GE Microwave JVM1750DM1BB with F4 error in Sensor cooking

    Microwave Fault Codes Failure
    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

    Feb 08, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

    1 Answer

    F 4

    F4 code on a Hotpoint (by GE) indicates a failed humidity sensor.

    If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa:

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

    If yours is not a Hotpoint RVM1635 please reply back with your brand and model so we can help you better.

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

    Feb 01, 2008 | Hotpoint RVM1635 Microwave Oven

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