Question about Microwave Ovens

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REPLACING FUSE IN WHIRLPOOL MICROWAVE

REPLACING FUSE - HOW TO GET TO IT?

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  • CAREDITH1 Nov 04, 2008

    WHIRLPOOL MH1170XSQ-0

  • Anonymous Mar 16, 2009

    where is fuse located

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1 Answer

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  • Microwave Ovens Master
  • 8,865 Answers

It's hard to tell from the exploded views, but it appears to be on the floor of the microwave behind the control panel.

At our site, we have a video showing how to remove a typical over the range control panel assembly in under 5 minutes.

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.

If the fuse is not the culprit, also check the two thermostats - one on the magnetron and one on the top of the oven chassis.

The mini manual / tech sheet will show you where they are and how to test them.

To check the oven thermostat, you will need to remove the oven from the wall. You can download Whirlpool owner's manuals and installation instructions here.

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

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

Posted on Nov 08, 2008

2 Suggested Answers

MicrowaveSvc
  • 8865 Answers

SOURCE: NTC cover message after replacing fuse

The "negative temperature coeffecient" (NTC) thermistor was left unplugged after reassembly or it is defective.

It is the hood thermistor, and should be plugged into connector P4 on the circuit board.

I think it should be at the bottom of the board, on a little tongue-like protrusion, as shown in the attached photo.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here (just enter your model number).

You can also find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

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

818944a.jpg

Posted on Aug 17, 2009

Testimonial: "Thanks, using your photo as a reference, pushed NTC in firmly and have no other problems. Thanks again."

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Dec 06, 2015 | In Microwave Ovens

1 Answer

How come my over the range microwave does not turn on at all??


Check internal fuse. If it's ok, one of the internal door switches, the high voltage circuitry, or the circuit board may have a problem. Diagnostics and repair might be quite complicates so better you take it to a repair service. You have some interesting Youtube video tutorials to repair a microwave

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Sep 23, 2014 | Samsung 1.8 Cu. Ft. Over-the-Range...

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Microwave oven no power


The main fuse is probably blown.

When replacing, try to determine the cause.

if it has a bad door switch, then the monitor/short switch also must be replaced. On an inverter, replace the power relay as well.

If the fuse holder is not holding the fuse securely, then it will heat and blow.

A failing component in the high voltage circuit can also cause the problem.

Apr 04, 2014 | Whirlpool GH7208XR Convection / Microwave...

1 Answer

Changed light bulb and still don't work


Did you check the fuse ? this may need replacing also

Apr 03, 2014 | Whirlpool MH1141XM Microwave Oven

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do they look like allen screws or more like stars(torx)?

Dec 31, 2011 | Whirlpool MH2155XP Microwave Oven

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Try sears dept. stores in the hardware

Jul 09, 2010 | Whirlpool GH5176XPS Microwave Oven

1 Answer

Fuse keeps blowing.


couple questions -
what else is on the circuit,
and what current does the oven need

there are whirlpool over-range models with
1200watts of microwave,
1500watts of convection power, a
60watt bulb and a
375watt fan

over 15amps -20amp circuit needed

if you inadvertantly replaced a higher current fuse with a 15amp fuse, it will blow every time.
the install guide http://www.whirlpool.com/assets/pdfs/product/ZINSTALL/8206589.pdf reccommends 20amp
not a solution, something to check,

Oct 14, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Whirlpool GH7145XF


Check your main breaker fuse in your panel/subpanel.

Otherwise if the inline fuse is good and the main power is good, then look at the power supply for the microwave.

Mike

Nov 09, 2007 | Whirlpool GH7145XF Microwave Oven

2 Answers

New Microwave just went out no power


I had the same problem and fixed it with the help of others in this forum. There's a 250V 4A slow-blow fuse in a holder in one of the wires running from the main circuit breaker.  Just behind the upper end of the control panel.  Replacing said fuse got me running again.

Jun 25, 2007 | Whirlpool MH3184XP Microwave Oven

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