Question about Panasonic NN-S254BF Microwave Oven

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NO POWER My microwave stopped working..no power at all! Before it stopped completely, there are sparks seen above the control panel while being used.

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  • vpm_3 Apr 14, 2009

    Can't locate the fuse. Is this located behind the control panel?

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Most likely have blown a fuse , get behind the touchpad to ohm the fuse out , replace if blown , if continues to blow check componets for shorts , there will likely be signs of burnt parts.
Phil

Posted on Apr 14, 2009

  • Phil Brantley
    Phil Brantley Apr 14, 2009

    yes it is in that area , it is a small thin tube like fuse.

    there are temp. saftey fuses you can ohm out to check also mounted on the inner cabinet.

    Phil

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GE microwave HVM1750SM1SS


Check for power to the wall plug. Then check for 120Vac at the input to the circuit board power supply. Then check the power across the fuse on the circuit board. if power readings are all correct you have either a bad relay, a door lock that's u/s, or a bad main board. Whats very common with microwaves is the control panels push buttons stop working. Many times its because grease and oil gets under the board and between the buttons and the circuit they activate underneath. To fix it. Unplug the the unit, DISCHARGE the high voltage capacitor. Make your way to the control board button overlay, remove the overlay. clean back of overlay and all contact surfaces on the borard. Re-install and try it again. It many work!

Aug 31, 2014 | Microwave Ovens

2 Answers

We have magic chef Over the Range Microwave Oven Model: MCO153U. Microwave was dead and no power


The original problem, was probably caused by a bad door switch along with the fuse, now there is a good chance the control panel is damaged, you will need a professional to assess if the item is worth fixing.

Apr 21, 2012 | Magic Chef Microwave Ovens

1 Answer

Panel problem


Hello

Unplug the microwave from the wall outlet prior to disassembling.


Open the microwave door. Remove the screws securing the grill above the door opening to the microwave. Remove the grill.


Remove the screw located at the top of the control panel, which is now visible with the grill removed.


Lift the control panel up to release the tabs securing it in place. Move it away from the microwave.


Look at the rear of the control panel to any disconnected wires that may have caused the control panel to stop functioning. If wires are disconnected, reconnect them, reassemble the microwave and determine if the problem is still occurring. If the problem still occurs, replace the control panel.


Transfer the wires from the old control panel to the new control panel.


Move the panel back against the microwave's control panel housing. Slide it down to lock it into position.


Install the screw at the top of the control panel.

Replace the grill on the top of the microwave. Secure it using the screws that were removed.


Restore power to the microwave.

Oct 04, 2011 | Panasonic Microwave Ovens

1 Answer

Microwave does not work nothing on the control pad work the pad just says se


Hello

Check the power supply. Make sure the microwave is firmly plugged into a working electrical outlet and that your wall outlet is active if your home uses outlets controlled by a wall switch. Check your home's fuses or circuit breakers to ensure they have not been tripped. Without power the microwave will not respond to any input.


Make sure the parental lock is inactive. Some ovens, like the one shown in the image above, feature a keypad lock to prevent children playing with the controls. Most keypad locks can be cancelled by holding down a button or combination of buttons for a few seconds.


Make sure the door is firmly closed. Some microwave ovens will not allow any control panel input if the door is open.


Remove the microwave from the power, wait 10 seconds, then plug it back in. This will reset the microwave oven if there is a temporary problem with the software.


Press the "Stop/Cancel" button several times to cancel the current operation and return the microwave to standby mode. Re-enter your cooking instructions using the keypad as usual.

Oct 04, 2011 | Maytag Microwave Ovens

1 Answer

In turning the microwave on this morning, a faint electric sparking was heard. Upon shutting it off and opening the door a burning odor was smelled. I also noticed a burned spot about a quarter inch in...


There is not any power in the door itself. However if the chassis has chipped paint or corrosion the RF from the microwaves magnetron will cause those bare metal areas to reflect the concentrated RF energy and cause sparking.

The only Whirlpool Microwaves that have been recalled, has a model number beginning with XC and had a green sticker on the bottom face area of the chassis where the door closed.

I have often been able to clean and paint the bare metal areas with the correct paint to stop the RF reflection sparks. Using the model number above it is white enamel "appliance paint" that you would use to paint the bare metal areas. A word to the wise.... do not sand outside the area to be painted. Otherwise you re-introduce your current problem post repair.

The model number you passed is missing the very last digit that would be from 0 to 7 (Eight models)

Thanks for choosing FixYa,
Kelly

Feb 21, 2011 | Whirlpool GH5184XPQ Microwave Oven

1 Answer

Our inverter microwave stopped completely and now has no power!


Amanda, If yours is newer construction (less than 40 years) the microwave is likely to have it's own circuit breaker in the electrical panel (in the garage or basement?) so no other lights or outlets might have gone out. I have never seen a microwave that had it's own user-replaceable fuse or circuit breaker.

Feb 10, 2010 | Panasonic MCM INVERTER

1 Answer

Why did my maytag microwave oven power go out completely?


1 your inline fuse blew
2your magnetron t-stat poped
3 bad voltage from outlet
test the outlet with a lamp, if that works it can only be the other two
open the door, take the screww off the control panel
and the vent cover, two screws on top
behind the control and vent you will see the mag t-stat, it should read continuity, and the inline fuse should be right above it a small glass tube fuse like a car

Oct 16, 2009 | Whirlpool MH3184XP Microwave Oven

2 Answers

Frigidere PLMV169DCD


You most likely had a power surge and blew a fuse. First unplug the unit,then remove the top grill. There will either be one screw on top of the control pad or 2 on the left side. open the control panel and look for a fuse that has a ceramic center and replace it with a 20 amp one. You can find these at the hardware store

Jan 31, 2009 | Frigidaire PLMV169DC Microwave Oven

1 Answer

GE Profile turned off as soon as it start


If you can program it and the problem occures when you push START. Then the problem is a door switch, or the control panel not having a completed circuit. Think of your control panel as an off-on switch.COOK, the control panel switches on for 100% of the time programed. DEFROST,The control panel turns the Cook-Relay on for 30% and off for 70%, on, off, on, off,for the time you programmed for DEFROST. This is how it works. There is no lowering of the output. The output is 100% anything other than COOk is done in % of time on, % of time off. This is why you can hear a "Bump" when Defrosting. The "Bump" is the Cook-Relay sending power to the High Voltage Side, 30% on, 70% off.

Jan 22, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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