Question about Sharp R-530BS Microwave Oven

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Sharp R 530BS-sensor cook doesn't work. It appears to work but

Sensor cook doesn't work. It appears to work but it doesnt' cook. It Just spins and sounds like it cooking but the food is still cold.

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In all likelihood the mangnetron has failed, You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.

Posted on Feb 01, 2010

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Posted on Jan 02, 2017

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Sharp Carousel R530BK microwave won't cook unless light pressure is kept on the door button.


There are door switches and one of them is evidently out of adjustment or the little actuator arm on it is.

Nov 27, 2013 | Sharp R530EWT Countertop Microwave Oven...

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Sharp combo microwave: Turntable wont stop unless I leave the door ajar. Light stays on too while turntable is going. Everything else works fine - it just doesn't know when to shut up! :)


It's a door switch that's bad. Probably the secondary interlock switch. You need an ohm meter to verify switch not 'making' electrically. Usually the only thing that causes this switch to fail is from opening the door when the microwave is cooking, secondly, by cooking at very extended lengths of time.

Aug 28, 2013 | Sharp Microwave Ovens

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

1 Answer

When I push the door latch button on the sharp R-530BS the door will not open


you must replace the door latch parts.test the door hooks can be broken.

go to www.repairclinic.com and buy it. God bless you

Sep 23, 2012 | Sharp R-530BS Microwave Oven

1 Answer

Does not heat up


Hi,


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

Basic
Microwave Oven Troubleshooting Tips

heatman101


Jan 15, 2011 | Sharp R-530BS Microwave Oven

1 Answer

Door not opening properly, and keypad problem


The door is the simple bit. Loosen the hinge side of the door, (Underside hinge) and align the door hooks. The panel will require replacing as there is nothing to service on the keypad.

Dec 15, 2010 | Sharp R-530BS Microwave Oven

1 Answer

How do I change the light bulb on my sharp R-530BS


You have to remove the shell. Screws are in the back and may require special tool (torx, security). Be certain to remove power and be very careful as the shell will have many sharp edges. The bulb is along the right side (as you face the oven opening). It is a specialty bulb you will have to order from an appliance parts house (or try e-bay).

Apr 15, 2010 | Sharp R-530BS Microwave Oven

1 Answer

Sharp carousel some keypad buttons do not work


On some models, the keypad would have to be replaced. On others, the connectors can be cleaned to fix this.

To allow us to help you effectively (at no charge), please post a NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, and your symptoms.

Dec 11, 2009 | Sharp R-530BS Microwave Oven

1 Answer

Noisy microwave not cooking


Is it making a louder than usual; buzz or hum when you try to cook?

If so, I would suspect a shorted high voltage diode ore a bad magnetron.


-.htmHere are some links you or someone you know can use for test help, but read
their safety warnings first:






line-height:normal">mso-fareast-font-family:"Times New Roman"">http://www.microtechfactoryservice.com/diode.html



line-height:normal">mso-fareast-font-family:"Times New Roman""> http://www.microtechfactoryservice.com/mag_test.html



line-height:normal">mso-fareast-font-family:"Times New Roman""> http://www.microtechfactoryservice.com/xformer.html





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We have the service manual and I have uploaded it to our site for you here.


-.htmPlease reply back here if you still need help.

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Jul 12, 2008 | Sharp R-1490 Microwave Oven

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