Question about Whirlpool GH7155XHS Microwave Oven

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Microwave dead, no power.

My serial # is GH 7155XKQ-0 its white. The fuse is good and power at the outlet. Is the thermosenser on this model located on the bottom front just behind the control panel? The marking on this part is PW-2R Z101 49/56. It checks open but not sure if this is the thermosenser.

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The thermal sensor is about the size of a dime, black with 2 wires to it, and attached to the oven cavity. It should be a normally closed circuit. bypassing this temporarily will show if it is open or closed. If oven works, that is your problem, but do not use oven with this bypassed. It sounds like you have some electrical knowledge, but be very careful as there is high voltage potential inside the microwave.

Posted on May 23, 2008

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1 Answer

Fuse location


Good Afternoon Friend, that's a great question!

Depending on the model of your Frigidaire microwave, the fuses are typically on located behind the control console, on the magnetron or on the oven capacity. However, if your microwave does not heat, you may possibly have a faulty control panel, magnetron, or experiencing an issue with the power supply. Please confirm that your microwave is plug into its own outlet and that you are not using a GFI outlet. Hope this helps! - Z

Sep 01, 2014 | Frigidaire FGMV174KF Microwave Ovens

1 Answer

GE Profile Microwave, model JES2251SJ02, just stopped working.


1= reset the c.breaker from your home see if are tripped and reset.
2= open for thermal fuse open, test continuity with DVOM OR VOM and replace.
3) test the power cord for open or broken or break.
4= check the switch for door maybe is open must be continuity until 0 , or swtich defective see the diagram attached. God bless you
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Jul 13, 2012 | Microwave Ovens

1 Answer

My GE spacemaker xl1400 model JVM1451BA 001 DOES NOT TURN ON, serial # HT9897895 , it wont make a noise or nothing, not lights, someone told me its a fuse, but I dont know what the fuse is called to go to...


First try plugging it in a different power outlet to eliminate a possible defective AC outlet, than if it still does not work, your friend could be correct it could be a fuse, if you have electrical skills you can verify your self. first unplug the power cable, than unscrew the cover to get to the electronic board, locate all the ceramic fuses and with a good multimeter set to (Ohms) check the continuity of all fuses if it reads 0 ohms it's good if it reads nothing than it is bad, replace that fuse with the same amperage and type than put the cover of the oven back, plug the power cable and give it a test if the fuse burns again than the problem is much worse, it could be a defective safety switch on the door frame or a defective circuit board, take it to a good repair shop...

REMEMBER TO ALWAYS UNPLUG THE POWER CABLE BEFORE OPENING THE UNIT!!!

Hope this helps!

Jun 18, 2011 | Microwave Ovens

1 Answer

Microwave is totaly dead


YOU WANT TO CHECK POWER FIRT AT THE OUTLET MAKE SURE YOU STILL HAVE 120 VOLTS THERE.. IF SO AND PLUG IS GOOD ON 98% OF THE MICROWAVES OUT THERE IS A 20 AMP fuse located in control panel of unit... check there with the power disconnected and may have a blown fuse...if that is good you most likely have a blown control on unit ...
hopw this helps good luck...

Jan 05, 2011 | Hotpoint RVM1325BW Microwave Oven

1 Answer

I have Whirlpool Microwave oven Model MH6110XEB-0 that has completely loss power. The outlet it is plug itno is still good with power running thru the outlet. I do not have any manuals for the microwave,...


with any luck you have just poped the inline fuse,
if you remove the control board you should be able to see the tube fuse up by the fan motor
if not the whole thing will have to come down to reach it

Oct 14, 2009 | Whirlpool MH3185XP Microwave Oven

1 Answer

Microwave oven shutdown by itself, outlet has power


A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

The TCOs you need to be concerned usually with have all black or white wires only. Please reply with photos of your interior if you have questions.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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

If yours is not there, Please reply back with your brand and model number so we can help you.

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

Oct 08, 2008 | Microwave Ovens

1 Answer

Microwave doesn't have any power, ** Display, **thing...


Nice touch with the diagram. Thanks!

The neutral line passes through the cavity thermostat, which may be open. In the schematic, it's left of the center bottom.

In the pictorial diagram, it's located just below where you added the note "120V OK". Its top half is cut off in the picture and it has blue and white wires attached.

Also, the low voltage (LV) transformer shows fuses in its primary and secondary, although one or both may be internal and inaccessible.

It may also be a problem on the control board, which we repair nationwide for only $39.95 postpaid. Feel free to reply back if you need further assistance.

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

Mar 09, 2008 | Microwave Ovens

1 Answer

Kenmore elite microwave


Does the digital display light up at all? Is it completely dead? Are you sure it has power? Have you tried another outlet? If the outlet is good and the unit is completely dead, the internal fuse may have blown. You can try to take the cover off (with the unit unplugged) and look for a blown fuse. Try replacing the fuse with an EXACT fuse of the same rating. Try plugging the unit back in again and see if the unit comes back on. If not, you may have a power supply issue or defective Magnetron.

Please let me know what you find and we'll go from there.

Good Luck,
- Jim

Jan 28, 2008 | Kenmore 62702 Microwave Oven

1 Answer

Microwave dead


First, there is an outlet. Plug in something else. Inside the key panel, there are fuses and a thermo sensor. Either may be bad. The thermosensor is about the diameter of a dime, black and 3/8 inch thick...attached to the wall of the chamber. All should have continuity.

Dec 20, 2007 | Whirlpool GH7155XHS Microwave Oven

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