Question about Microwave Ovens

1 Answer

I ran my micro oven for 60 mins. empty. what happens to oven.

I turn the oven on before I put food in for about 60 mins. It doesn't seen as powerful now.

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Microwave Ovens Master
  • 9,047 Answers

When that happens, the magnetron overheats, which can damage or destroy it.

Only a new magnetron can fix this.

Posted on Jan 17, 2013

Ad

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
  • 1 Answer

SOURCE: I have a GE Profile Model #JE1860SB001 serial

I have a GE profile Model # JE1860SB001 that comes on but will not heat.

Posted on Apr 26, 2010

heatman101
  • 43501 Answers

SOURCE: I foolishly ran the oven empty for 2 mins. I heard

Hi,
Here is a tip that I wrote that will help you with that...

http://www.fixya.com/support/r4033033-gas_range_repair_burners_keep_clicking

heatman101

Posted on Aug 11, 2010

shbarker
  • 1 Answer

SOURCE: PANASONIC - SENSOR 1200 W. microwave

All electronics work but microwave won't heat.

Posted on Sep 21, 2010

heatman101
  • 43501 Answers

SOURCE: How to fix an Emerson microwave 8992RD that

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

Posted on May 08, 2011

  • 6771 Answers

SOURCE: My GE Microwave Oven won't

There is a solid state switching device called a triac "electronic voltage controller" that has malfunctioned, it controls the power level settings when making power selection, It will need to be replaced to correct the problem. This repair should be done by a qualified technician because dangerous high voltages are present.

Posted on Jun 07, 2011

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

AEG micro-combi oven has big condensation problems. The glass on the oven door clouds over and drips of water can be seen on the glass. Water also drips out on both sides of the oven at times formin


Condensation inside the oven comes mainly when the temperature is below 100 Celsius, and this phenomenon is evident in almost all manufacturers. That means, the condensation starts at the beginning and at end of baking. My advice is the same as many manufacturers recommend: Before baking, preheat the oven to min. 100 Celsius and after that place the food in the oven. Reverse the procedure in the "cool down" phase before the temperature drops below 100 ° C and remove the food from the oven.
After that condensation should be drastically reduced.
Condensation could be technically solved but it would be too expensive for manufacturers (more parts inside oven) as well as for customers also (too expensive appliance and lost energy).

Dado

PS. This applies to the traditional way of baking

Feb 14, 2015 | AEG Microwave Ovens

1 Answer

Why can't you run a microwave without anything in it? What happens and can you fix the problem? I forgot to put the food in and ran it for 4 minutes with nothing inside. Now it won't heat any food.


A microwave oven works on the principal of a high power high frequency radio transmitter. The device that emits the microwave energy is a tube called a magnetron . When you run the microwave empty with nothing to absorb the microwave energy it is all reflected back to the magnetron causing it to overheat and destroy itself or cause failure in the High Voltage power supply due to excessive current draw.This is caused by standing waves.

Aug 08, 2014 | GE Spacemaker JVM1740 Microwave Oven

1 Answer

Sharp convection microwave oven model R1875F. It's cooking on the left side faster then the rest of the oven. It seems to burn on the left side and not cook in the middle.


see the next causes. God bless you
Diode The high voltage diode converts the A/C power output of the transformer to D/C, doubling the voltage to nearly 5,000 volts. This high voltage powers the magnetron which emits the energy that cooks the food. If the diode burns out, a lower A/C voltage reaches the magnetron, which is not sufficient to power the magnetron. When the diode fails it is often visibly burned out. If it appears to be good, it can be tested with a volt-Ohm meter capable of testing diodes. High voltage diodes frequently fail and are one of the most common points of failure in a microwave oven.

Door Switch If the microwave does not heat, one of the door switches might be defective. Microwave ovens normally have three door switches, if any of them fail the microwave does not turn on and does not heat. Check the switches for continuity with an Ohm meter.

Magnetron If the microwave oven doesn't heat the magnetron tube might have burned out. The magnetron uses high voltage, high current DC power to generate the microwave frequency that cooks the food. If the microwave oven is turned on when it is empty this can cause the magnetron to burn out. Once it is burned out it has to be replaced, it's not repairable.

High Voltage Capacitor If the microwave doesn't heat the high voltage capacitor might be defective. The high voltage capacitor works with the high voltage diode to convert the output of the transformer to DC voltage and to double the output voltage. If the capacitor is burned out the entire high voltage circuit stops working properly. The high voltage capacitor can be checked with a special VOM meter which has a capacitance testing capability. Be aware that the high voltage capacitor can retain a charge of more than 3,000 volts and can injure or kill a person if not handled properly. Only trained technicians should perform this type of testing.

High Voltage Transformer If the microwave does not heat, the high voltage transformer might be burned out. Microwave ovens produce a very high voltage in order to power the magnetron antenna, which emits the energy that cooks the food.

Thermal Fuse If the microwave doesn't heat the thermal fuse may have blown. It can be tested for continuity. Watch our fuse testing video for more information.

Thermoprotector If the microwave doesn't heat the thermoprotector may have tripped. This is a safety device to prevent the microwave from overheating. It can be tested for continuity to see if it's blown.

Main Control Board If the microwave doesn't heat the main control board may be defective. This is not common. When a microwave doesn't heat the problem is usually within the high voltage circuit; either the high voltage capacitor, diode, transformer or magnetron.
10_4_2012_4_35_53_pm.gif10_4_2012_4_36_18_pm.jpg

Oct 03, 2012 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Sharp micro doesn't heat


see this causes and fix it. God bless you
Diode The high voltage diode converts the A/C power output of the transformer to D/C, doubling the voltage to nearly 5,000 volts. This high voltage powers the magnetron which emits the energy that cooks the food. If the diode burns out, a lower A/C voltage reaches the magnetron, which is not sufficient to power the magnetron. When the diode fails it is often visibly burned out. If it appears to be good, it can be tested with a volt-Ohm meter capable of testing diodes. High voltage diodes frequently fail and are one of the most common points of failure in a microwave oven.

Door Switch If the microwave does not heat, one of the door switches might be defective. Microwave ovens normally have three door switches, if any of them fail the microwave does not turn on and does not heat. Check the switches for continuity with an Ohm meter.

Magnetron If the microwave oven doesn't heat the magnetron tube might have burned out. The magnetron uses high voltage, high current DC power to generate the microwave frequency that cooks the food. If the microwave oven is turned on when it is empty this can cause the magnetron to burn out. Once it is burned out it has to be replaced, it's not repairable.
High Voltage Capacitor If the microwave doesn't heat the high voltage capacitor might be defective. The high voltage capacitor works with the high voltage diode to convert the output of the transformer to DC voltage and to double the output voltage. If the capacitor is burned out the entire high voltage circuit stops working properly. The high voltage capacitor can be checked with a special VOM meter which has a capacitance testing capability. Be aware that the high voltage capacitor can retain a charge of more than 3,000 volts and can injure or kill a person if not handled properly. Only trained technicians should perform this type of testing.

High Voltage Transformer If the microwave does not heat, the high voltage transformer might be burned out. Microwave ovens produce a very high voltage in order to power the magnetron antenna, which emits the energy that cooks the food.

Thermal Fuse If the microwave doesn't heat the thermal fuse may have blown. It can be tested for continuity. Watch our fuse testing video for more information.

Thermoprotector If the microwave doesn't heat the thermoprotector may have tripped. This is a safety device to prevent the microwave from overheating. It can be tested for continuity to see if it's blown.

Main Control Board If the microwave doesn't heat the main control board may be defective. This is not common. When a microwave doesn't heat the problem is usually within the high voltage circuit; either the high voltage capacitor, diode, transformer or magnetron.
10_3_2012_5_04_17_am.gif

Oct 02, 2012 | Sharp Microwave Ovens

1 Answer

GE Profile Spacemaker 2004 JVM3670BF02 doesn't Heat up


Ensure that you have select the correct range of temperature.

Sep 11, 2012 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

Electrolux microwave buzzes and food doesn't heat up


If the unit operates correctly except heating the food, then the unit needs a new magnetron.

Aug 29, 2012 | Electrolux EI30BM55H Microwave Oven

1 Answer

I'm experiencing the same exact problem as theresagolde experienced. PROBLEM:Our microwave stopped working suddenly. It's a GE JVM1330 and was made in 1996. The buttons on the control panel work...


You can modify a standard, typical micro switch available at many places or, you can get an exact replacement from GE parts placed or you can try www.repairclinic.com or you can try a FixYa.com advertiser.

You are correct in trying the safety interlock switches ... they cannot stand the opening and closing of the door while the machine is running. To improve the live cycle of these tiny switches is NEVER open the door while the oven is operating.

Thanks for your question @ FixYa.com

Jul 28, 2011 | GE JVM1330BW/WW Microwave Oven

1 Answer

How to fix an Emerson microwave 8992RD that carousel doesn't turn and doesn't heat your food..


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

May 08, 2011 | Emerson Black Microwave Oven

Not finding what you are looking for?
Microwave Ovens Logo

Related Topics:

62 people viewed this question

Ask a Question

Usually answered in minutes!

Top Microwave Ovens Experts

William Miller
William Miller

Level 3 Expert

9047 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers

yadayada
yadayada

Level 3 Expert

76682 Answers

Are you a Microwave Oven Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...