Question about Sharp R-220BW Microwave Oven

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My microwave oven sharp r-220, it doesnt give heat or produce heat? what should i do to fix it?.. the light bulb, motor fan and the timer are all ok..

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Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

Posted on Sep 14, 2010

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6ya6ya
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Posted on Jan 02, 2017

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Controls, heating and turntable function normally, but there is an intermittent failure (approx 80 of the time) where the interior light and blower do not function when the microwave is operating .


follow this test and fix it; God bless you
1)

  1. Light bulbIf your microwave light bulb is not working, perhaps it has blown. The first step is to replace the bulb and power on the microwave. If this does not correct the issue, the next step is to check the socket and wiring to verify if that is the problem.
  2. Light bulb socket & main control boardIf your microwave light bulb is not working after the installation of a new bulb, check the light socket as well as the wiring to ensure they are properly operating. If these sources are functioning properly, the next step is to check for a faulty control board as a possible root cause to your microwave light bulb malfunction.
2)
  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.
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Oct 31, 2013 | Jenn-Air JMV8100A 1000 Watts Microwave...

1 Answer

Does not heat


HI..there is a heating filament of an oven MAGNETRON..it s responsible of producing heat to the oven..possibly this is defective ..this filament must be replaced by a new one..theres no problem with the motor cos it runs the table power and light button seems working..HOPE THIS HELPS..thank yuo for choosing fixya..

Jul 20, 2011 | Sharp R-930AK Convection/Microwave Oven

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Will not heat up but it turns on and runs


the light won't come on how can i get the light bulb out?

Jun 24, 2010 | Magic Chef CMV1000B Microwave Oven

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My microwave Sharp R-259 does not heat up, the


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

Basic Microwave Oven TroubleshootingTips

heatman101][][]\

May 12, 2010 | DeLonghi MW 605 Convection/Microwave Oven

1 Answer

Timer works, but no turntable no fan and no heat. Light comes on when I hit start but that is all.


Chances are that the magnetron has stopped working. Unless it is under the guarantee or is a very expensive micro it really wont be worth fixing.

Oct 03, 2009 | Sharp R-520LK Microwave Oven

1 Answer

Microwave not heating


OK, you have two components that are faulty. the magnetron and the turntable motor as well. replacing these two components will fix both issues.

Jun 10, 2009 | Frigidaire FMV157GM Microwave Oven

1 Answer

Abnormal noise produce by Amana microwave RC17


Deart Customer

please undergo the following

Since 30 to 50 percent of the power into a microwave oven is dissipated as heat in the Magnetron, cooling is extremely important. Always inspect the cooling fan/motor for dust and dirt and lubricate if necessary. A couple of drops of electric motor oil or 3-in-One will go a long way. If there are any belts, inspect for deterioration and replace if necessary.
An oven that shuts off after a few minutes of operation could have a cooling problem, a defective overtemperature thermostat, a bad magnetron, or is being operated from very high AC line voltage increasing power to the oven. One interesting note: Since 30 to 50 percent of the power goes out the vents in the back as heat, a microwave oven is really only more efficient than conventional means such as a stovetop or gas or electric oven for heating small quantities of anything. With a normal oven or stovetop, wasted energy goes into heating the pot or oven, the air, and so on. However, this is relatively independent of the quantity of food and may be considered to be a fixed overhead. Therefore, there is a crossover point beyond which it is more efficient to use conventional heat than high tech microwaves

i think the information would help u if so rate me please,otherwise just give it as fixya,Thank u

Dec 17, 2008 | Amana RC17 Microwave Oven

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My Sharp R-340D microwave works perfectly but Does NOT HEAT 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

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Sep 22, 2008 | Sharp R-1610 Microwave Oven

1 Answer

Microwave oven inoperative


check high voltage section, check magneatron, diodes, etc.

Nov 02, 2007 | Sharp R-1480 Microwave Oven

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