Question about Frigidaire PLMV169DC Microwave Oven

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Nothing works I was adding a circuit to my elec. system. Inadvertantly, I attached two "hot" leads together in the outlet that the micro was plugged in. initially, the display flickered rapidly. Now it does not work. Did I fry everything? How can I check out what to replace?

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Check the ceramic fuse it is easy to spot under the top of the machine cover

Posted on May 28, 2009

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1 Answer

Microwave blew house outlet circuit breaker, what is wrong


you have a short it could be anything would need to be diagnosed and dont plug back in and try to use again potential fire hazard --compare replacement cost to repair cost

Sep 09, 2016 | Microwave Ovens

1 Answer

I have a problem with my whirlpool microwave oven, all of a sudden it shut off the kitchen electricity and tripped the circuit breaker of the kitchen, I unplug the oven and reset the circuit breaker, but...


Hi heshamyg, I want to help you with your problem, but I need more information from you.
Since I could not find the electrical specs for your particular model in the user's guide, please locate the information tag (plate or decal) and tell me what the wattage and amperage ratings are.
Page 5 of your user's manual recommends that your microwave should be used on a 15 or 20 amp circuit And that a "separate circuit servicing only this appliance be provided."
I don't know if this appliance is a new install to your kitchen appliance array, or if this unit has been around and in use for awhile without any problems.
Either way, the electrical circuit is being overloaded; short circuited; or because of a ground fault.

An overloaded circuit is one primary reason for a breaker to trip. It occurs when a circuit has more connected electrical load than it is supposed to have. When more current runs through the circuit than the circuit was intended to take, the circuit breaker is designed to "break the circuit." It does so to prevent overheating of the wire in the circuit, which can cause a fire.

  • The most probable reason the breaker tripped is that you simply have too much plugged into one outlet or multiple outlets connected to one circuit.
  • Move lamps, heaters, irons, hair dryers and other heavy power consuming devices to a different circuit not being heavily used; or
  • Turn off some of the devices on the circuit to reduce the load.
  • Loose connections are another possible but less common cause. With power off, check outlets for a loose wire and the electrical service panel hot wire connected to the circuit breaker to see if it has become loose. Re-tighten the connections if necessary.
  • If these suggestions do not solve the problem you may have a more serious problem such as a Short Circuit or Ground Fault
The Short Circuit is a more serious reason for a breaker to trip. A short is caused when the hot wire (black) touches another hot wire or touches a neutral wire (white). It can also be caused if there is a break in a wire in the circuit. Shorts are a bit more difficult to diagnose because they can be caused by the wiring in your home or in something you have plugged into an outlet.

  • Confirm that the power is off at the outlet into which your device is plugged.
  • Inspect your power cords for damage or a melted appearance.
  • Check your outlets and plugs for the smell of burning- or look to see if there is any visible brown or black discoloration.
  • Check the insulation on the wires to make sure that they are not cracked; and that bare (uninsulated) black and white wires aren't touching together.
  • If you do not find the problem, repeat the process for all the outlets in the circuit.
  • Check for a Ground Fault condition.
A Ground Fault Condition is defined as: An unintentional, electrically conducting connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metallic enclosures, metallic raceways, metallic equipment or earth.
In simpler terms, a ground fault condition exists when the hot wire (black) touches the ground wire (bare copper) or the side of a metal outlet box (because the metal box is connected to the ground wire). The ground fault is a type of short circuit.

The fix is the same as a short circuit except check that the hot wire (black ) is not touching the side of the metal outlet box or the ground wire.

If the problem is internal to the microwave oven, have it serviced by a properly trained service technician since one could expose themselves to dangerous levels of microwave energy.

Please keep me posted. Thank-you.

Dec 02, 2013 | Whirlpool MH1140XMS Microwave Oven

1 Answer

My ge cafe microwave has stopped working after hot oven was on


you are most likely correct . they were not made to withstand extreme heat from the outside

Sep 15, 2017 | GE CVM2072SMSS Microwave Oven

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
7_14_2012_11_00_47_am.gif7_14_2012_11_02_17_am.jpg7_14_2012_11_02_29_am.jpg

Jul 13, 2012 | Microwave Ovens

2 Answers

How many micro wave ovens will a 20 amp circuit support?


Please stick with me to the end ... some examples are for example only. There is no 1000 watt circuit per'ci.

This will not be possible overload, this is an accident waiting to jump on you, my friend

Install dedicated circuits for these ovens, my friend. It will cost you a little but will be better than having dissatisfied guests or talking to the zoning board or boarding house authority or (gasp) the fire inspector after the fire.

If you don't do this, when the breakers start flipping off, tenants will run extension cords to outlets that have power. A whole different and worse, problem!

Rule of thumb, lighting circuits should be designed to operate at 80%, for example, if you have 800 watts of lights on a 1000 watt circuit, you are at the max.

So, there is a possibility that your circuit for lights is already near max. Adding ovens is trouble. Don't forget the iPOds and cell phone chargers as well as lap top chargers, walkman chargers (older students), little TV's, DVD players, clock radio's, electric shavers, curling irons, steamers, popcorn makers, lava lamps and occasional electric heaters that will be snuck into the room.

What is a 1000 watt circuit ... good question. Ohms law comes into play here.

Volts X Amps = Watts
120 volts X 8.333 amps = 500 watts (a smoothie blender) 300 watts (slow cooker) 200 watts (hand mixer) = 1000 watts.


A 15 amp circuit will protect #14 wire and can carry about 1800 watts (a toaster (1500 watts), for example).

A 20 amp circuit will protect #12 wire and can carry about 2400 watts (i am using a big paint brush here. these numbers are pretty close but not exact and I am not a licensed electrician.)

When I wire, I aim lots lower, preferring to OVER build than to under build.

10 amp circuits are rare in modern homes. In general practice, if the need was to be protected at 10 amps, the wire used in the circuit would be #14 and it would be protected by the breaker at 10 amps. In this case, it is the device plugged into this 10 amp circuit that needs protection rather than the #14 wire (which would be technically oversized)

Another consideration for you is where is the water? If you have an outlet that is 5 feet from a water source (bath - kitchen - etc) it must be protected by a GFIC

A 30 amp circut will protect #10 wire --- but this is not a normal household circuit.

Maybe the best option is for you to have your electrician install a sub panel in the vicinity of use and run several 20 amp circuits from that location to the various rooms.

The answer to your question "How many (1150 watt)micro wave ovens will a 20 (amp circuit handle)" is TWO with nothing else on the line. The National Code requires dedicated circuits for micro wave ovens, BTW. A commercial application may have a different (more stringent) standard in your town.

Thanks for the opportunity to answer your question and thanks for your interest in FixYa.com

Please vote - positive comments appreciated by volunteer question catchers.

thanks

a

Dec 12, 2009 | Maytag MMV4205 Microwave Oven

2 Answers

Microwave fuse blowing???


You really need to check that circuit for ground and neutral faults before using it again.

Aug 29, 2009 | Panasonic NN-H275 Microwave Oven

1 Answer

No Power


HI, there is a inline fuse located inside the microwave ion the power supply board. check for continuity. replace the fuse if necessary. if the fuse is OK, replace the power supply board.

Jun 01, 2009 | Kenmore 62702 Microwave Oven

1 Answer

Frigidaire Micro made an odd noise and now it does not work!


Probably due to a loose screw or clip connection where the wires connect to the outlet's terminals.

These must be tight, especially for high-current loads like microwave ovens.

Loose connections can lead to serious or dangerous overheating.

I would say the reason the microwave made it blow was that the microwave's outlet is probably fed by (daisy-chained with) the outlet that blew.

If so, this is not really a good idea.

A high-current load (microwave, freezer, fridge, etc.) should ideally be on its own breaker / fuse with no other items on the same power line.

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

Jan 27, 2009 | Microwave Ovens

1 Answer

Nothing works on my microwave


When they're totally dead, I would first suspect the internal fuse or the magnetron thermal cutout / thermostat. Most of the time there's a problem that caused the fuse or thermal cutout to blow, but sometimes just replacing that part will fix it. If you or a friend decide to work on it, we have *critical* safety and disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your base model number (without the suffix) here: http://www3.sears.com or likely much cheaper prices here http://tinyurl.com/gv383 Be safe!

Feb 07, 2007 | Kenmore 63352 / 63359 1100 Watts Microwave...

1 Answer

Frigidaire over the oven micro


The magnetron will have overheated and will need to be replaced. Also, there is a thermal cutout mounted on or near the magnetron. It will need to be replaced, too. You can find exploded views and order parts here: http://tinyurl.com/gv383 What you'll need are the parts marked as reference numbers F73 & F74 (73 & 74) on diagram number 6. You might also be able to find cheaper substitute parts at a local applaince parts store. You can find critical safety and disassemby tips at our site via our FixYa listing: http://tinyurl.com/yzjozk

Jan 31, 2007 | Frigidaire GLMV168K Microwave Oven

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