Question about Sharp Insight Pro Black 30" Microwave Drawer

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No power to clock, light, anything, but outlet is fine. Is there a circuit breaker within the microwave?

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  • Contributor
  • 4 Answers

It is broken

Posted on Oct 13, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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bluegreenash
  • 661 Answers

SOURCE: No Power at all after loud short buzzing sound

sounds Like an electrical fault in the Micro, Sorry but this is broken.... If this is within warranty (do check as some warrantys are for 3 yrs or more) get the manufacturer to replace/repair it for free. you could get it serviced, but it is probably cheaper to buy a new one.

Posted on Aug 24, 2007

MicrowaveSvc
  • 9085 Answers

SOURCE: Sharp Microwave problem.

A microwave can be dead for many reasons.

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.

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

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

If you or a friend decide to look into it, we have critical safety information and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

We appreciate your thoughtful rating of our answer.

Posted on Nov 26, 2007

  • 2 Answers

SOURCE: Microwave Sylvania type sm81001

Have you ever replaced the fuse with Higher Amps fuse. There is a circuit diagram inside the cover please refer to that and ensure that the rating is same.

Posted on Jan 06, 2008

  • 72 Answers

SOURCE: My R-1850 stopped cooking suddenly this morning.

you need a new hv capacitor and a fuse

Posted on Feb 04, 2010

krisdev
  • 1 Answer

SOURCE: Sharp carousel microwave, Model Number R-1505F, is not running

OMG, thank you sooooo much. I have this same microwave (8 years) and 2 days ago it stopped working. I decided to go online and "troubleshoot" before I purchased another one. I'm SOOOO glad I did. You saved me between $200-$300.
Pamela Young

Posted on Jul 11, 2013

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1 Answer

No power, no lights, no clock. Nothing works on my Samsung over the range microwave model SMH17138


Your microwave may be plugged into a regular receptacle which is on a circuit breaker often in a cupboard above the range.Check around to see if anything else is not working. Check your circuit breaker box for a breaker that needs resetting. If you see one out of line with the others turn it off and then back on. Good luck..

Dec 09, 2016 | Samsung Microwave Ovens

1 Answer

How do I set Clock?


Disconnect the microwave from the power source while the power is still out. If the microwave is a built-in, turn off the circuit breaker. Otherwise, unplug the microwave from the wall outlet. This prevents a power surge from damaging the magnetron tube when the power is restored.Turn on the circuit breaker or plug the microwave into the outlet only when you are sure that the power is permanently restored. If there are still storms in the area, the power may be disrupted again. Reset the clock on the microwave. Microwaves vary slightly on how to set the clock, but usually there is a clock button you press. Use the number pad to input the correct time and press the clock button again to set it. Test the microwave by heating some water to ensure that it is still in good operating condition.

Jun 20, 2012 | Emerson Fans MW8995B Microwave Oven

1 Answer

Machine will not turn on


from online Microwave Repair Manual: Totally dead oven (no lights, no clock, no display, no fan, no heat...)First, check power to the outlet using a lamp or radio you know works. The fuse or circuit breaker at your service panel may have blown/tripped due to an overload or fault in the microwave oven or some other appliance. You may just have too many appliances plugged into this circuit - microwave ovens are high current appliances and should be on a dedicated circuit if possible. If you attempt to run a heating appliance like a toaster or fryer at the same time, you *will* blow the fuse or trip the circuit breaker. A refrigerator should never be plugged into the same circuit for this reason as well - you really don't want it to be without power because of your popcorn!

If you find the fuse blown or circuit breaker tripped, unplug everything from the circuit to which the microwave is connected (keep in mind that other outlets may be fed from the same circuit). Replace the fuse or reset the circuit breaker. If the same thing happens again, you have a problem with the outlet or other wiring on the same branch circuit. If plugging in the microwave causes the fuse to blow or circuit breaker to trip immediately, there is a short circuit in the power cord or elsewhere.

The microwave oven may be powered from a GFCI outlet or downstream of one and the GFCI may have tripped. (Removing a broken oven lamp has been known to happen.) The GFCI outlet may not be in an obvious location but first check the countertop outlets. The tripped GFCI could be in the garage or almost anywhere else! Pushing the RESET button may be all that's needed.

Next, try to set the clock. With some ovens the screen will be totally blank following a power outage - there may be nothing wrong with it. Furthermore, some ovens will not allow you perform any cooking related actions until the clock is set to a valid time.

Assuming these are not your problems, a fuse has probably blown although a dead controller is a possibility.


While you can do some repairs on your microwave, what you don't know can kill you... even on an unplugged microwave, so make sure you understand the dangers and how to reduce them before you try anything inside a microwave. If you want to do more yourself, go to the link at the top of this post.

Oct 21, 2010 | Microwave Ovens

1 Answer

I accidently ran it for a few minutes wih nothing in it. I turned it off and everyting seemed fine. Later I walked in kitchen and there is no light, power or anything.


I assume you checked the power cord and house power circuit breaker panel... possibly tripped unrelated to your running the microwave empty.

(the following is from http://www.kellerstudio.de/repairfaq/sam/micfaq.htm#mictotdo)


The microwave oven may be powered from a GFCI outlet or downstream of one and the GFCI may have tripped. (Removing a broken oven lamp has been known to happen.) The GFCI outlet may not be in an obvious location but first check the countertop outlets. The tripped GFCI could be in the garage or almost anywhere else! Pushing the RESET button may be all that's needed.

Next, try to set the clock. With some ovens the screen will be totally blank following a power outage - there may be nothing wrong with it. Furthermore, some ovens will not allow you perform any cooking related actions until the clock is set to a valid time.

If those are not the problems, then the main fuse is the most likely suspect for a totally dead microwave.
Remember, while you can do some repairs on you microwave, what you don't know can kill you... even on an unplugged microwave, so make sure you understand the dangers and how to reduce them before you try anything inside a microwave. If you want to do more yourself, let me know and I will point you in the direction of some good resources.

Oct 21, 2010 | GE Microwave Ovens

1 Answer

Blowing main breaker


I have a hard time believing that the home's main breaker is tripping instead of the branch circuit breaker that feeds the microwave. I suspect it is really just a difference in terms. You should disconnect it and try using in another outlet - preferably one on a different circuit if possible. If the breaker continues to trip; this appliance should be disconnected and either be discarded, repaired or replaced before using again.

If the microwave works as expected (on a different circuit), it may indicate the original circuit is overloaded. Microwave overs are supposed to be installed on a dedicated circuit. This means only one outlet is on the circuit - no other loads (lights, appliances, etc.) are permitted on this circuit. A microwave typically requires 10 Amps or more when on "high" and will require a significant portion of the power supplied by a 15 or 20 amp circuit breaker. There is little unused to power much of anything else. If other appliances go out when the microwave trips the circuit breaker, you should contact an electrician to have a dedicated outlet installed for the microwave.

I hope this helps!

Sep 23, 2010 | Maytag Microwave Ovens

1 Answer

Microwave won't turn on. Seems like it is not getting power. I checked breaker. I am looking for a fuse. You know where one is? It is a GE Spacemaker(2 yrs old) model # JVM1440WH04


  • Make sure that the microwave is plugged into a grounded outlet. It must be a 3-prong outlet.
  • Make sure the clock is set.
  • Check to see if a programming sequence was entered. Sometimes improper programming or a program sequence such as delay start can cause the touch panel to be non-responsive. Unplug microwave or turn off house circuit breaker for 30 seconds. Plug back in, or reset circuit breaker, and try reprogramming unit.
  • Check the house circuit breaker or fuse box. If the microwave is DEAD and there is no display and nothing works- the problem could be a blown fuse or tripped breaker.

Jul 29, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Dead microwave


There are replacable fuses inside. Taking the microwave apart requires removal of a lot of screws and the cover that can be rather bulky. make sure it's unplugged and safe before you begin. you can get replacement fuses at radio shack, ect. be sure to buy the same type and amperage. if the blow a second time there may be other issues.

May 27, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Spacesaver powers off 2 seconds after resetting clock and time...


The clue is that you have to reset the clock. You are losing power somehow. the Main Board thinks it is being unplugged and it resets the clock and you have to start all over. The fact that after so many times it will finally work tells me that whatever bad connection you have is finally getting hot enough to expand and make a good enough connection to keep working. Intermittant connections are the worse to find. A lot of trial and error to find the problem. can be bad fuse and fuse holder ( in the unit), bad outlet, loose wire at circuit breaker, loose wire at outlet. Even a loose breaker where it snaps onto the buss bar in the Breaker Box. Etc, it an really drive you nuts trying to find it. Try the unit in a totally different area making sure it is on a compleately different circuit breaker and see what it does, if the problem follows the unit, the problems is in the unit. If not, electrical problems, outlet, breaker, panel,

Aug 18, 2017 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

We have a JVM1870SF02 Microwave Oven. Everything


Is it on a gfci plug? If it is reset that. If not I would recheck the circuit breaker again

Sep 23, 2017 | GE Microwave Ovens

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