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Microwave works but is not heating up food

Morphy Richardds microwave works but is not heating up food

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Can you hear the magnetron operate i.e. light dims,transformer has a louder hum,if so more than likely either the H.v. diode or H.V. capacitor is bad or worst case scenario the mag tube has failed.....costly

Posted on Jul 27, 2009

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Posted on Jan 02, 2017

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Where can i get manual for morphy richardscombi microwave.ac925efp


Free Morphy Richards Kitchen Appliance User Manuals ...

kitchen.manualsonline.com/manuals/.../morphy.../morphy_richards_pro...
Morphy Richards Electric Pressure Cooker User Manuals. Get Manuals; Support ...Morphy Richards Hot Beverage Maker User Manuals. Get Manuals; Support

Oct 30, 2015 | Morphy Richards AC925EFP...

1 Answer

Changing ligt bulbin morphy richards 23L


Probably not that hard but you do have to take the cover off and do not go near the heating element as it is charged with electricity. Of course unplug before you do anything.

Dec 11, 2014 | Morphy Richards Microwave Ovens

1 Answer

Morphy richards oven is not heating and not cooking anything


please proceed according 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. A regular meter with a diode checker will not work to check these diodes. You have to use a meter with a 9 volt battery or put a 9 volt battery in series with the diode to check it.
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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.
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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.
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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.
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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. When a high voltage transformer fails it will usually arch and have a burning smell.
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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.
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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.
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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 a faulty door switch or within the high voltage circuit; either the high voltage capacitor, diode, transformer or magnetron.

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Mar 01, 2013 | Morphy Richards Microwave Ovens

1 Answer

My morphy richards p80d20p-yu microwave runs normal but won't heat food


The problem is caused by a bad magnetron, inverter board, "7 years old or less" and possibily the keypad control board.

May 02, 2012 | Microwave Ovens

2 Answers

Morphy Richards AC925EYG Convection has stopped heating items


Same thing has happened to me. My brother in law seems to think it cant be fixed. Bought it Dec 2008 so no warranty.

Were you able to get anythihng out of morphy richards?

Jan 09, 2010 | Zanussi ZMB30CST Convection Microwave Oven

1 Answer

Microwave has works but doesn't heat


Sounds like the Magnetron has stopped working. The Magnetron is is a specially designed powerful magnet that generates the high frequency microwave energy used to heat food.

Jun 14, 2009 | Magic Chef CMV1000B Microwave Oven

1 Answer

MICROWAVE NOT HEATING


I have the same problem. Everything seems to work except it doesn't heat up food.
I remember last time when it was working. I pressed the start botton before I closed the door. So it didn't start automatically, and I pushed start and it worked(it still heat up the food), but it doesn't work now. Help Please!!!
I have a Whirlpool Gold GH5184XPQ.

Thanks in advance

Aug 27, 2008 | Microwave Ovens

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