Question about Morphy Richards AC925EFP Convection/Microwave Oven

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Brand new microwave, morphy Richards model AM925efp. Used once then woke up this morning to an extremely loud high pitched continuous whistle . Eventually realised it was the microwave. Pulled out plug , whistle continued for about a minute then stopped. Plugged microwave back in, no lights or nothing. Won't work, changed fuse still nothing.

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Posted on Jan 02, 2017

  • 47 Answers

SOURCE: i got a morphy richards microwave today but came

Go back to the dealer and insist that he give you your manual!

Posted on Mar 02, 2011

  • 8909 Answers

SOURCE: Morphy Richards Microwave GBD239H9B the light

It sounds like the magnetron may have either failed or is not being supplied with the extremely high voltage required to run it.

YOUR SAFETY IS PARAMOUNT

This is a job for a professional but if you are safety clued up, here's instruction.
Make sure the !!!!any capacitors are discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 or moving coil meter on high resistance range for short circuit, (DVM's won't show the fault!), the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.

Posted on Mar 11, 2011

maryduffy38
  • 1 Answer

SOURCE: my microwave AM925EFP is not

I think they want you to answer this question as you made it!!!!

Posted on Nov 25, 2012

ercupa190
  • 12223 Answers

SOURCE: 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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Posted on Mar 01, 2013

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1 Answer

Where can i get manual for morphy richardscombi microwave.ac925efp


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kitchen.manualsonline.com/manuals/.../morphy.../morphy_richards_pro...
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I'm not familiar with this brand, but does it have a plate that sits on a roller ring? Is the plate sitting in the slots of drive?

Sep 20, 2014 | Morphy Richards Microwave Ovens

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Buzzing noise


follow this instruction and fix it. God bless you


  1. MagnetronIf your microwave is emanating high pitched or growling noises during operation, the magnetron could be going bad. Normally a nearly silent part, the magnetron uses high voltage and induces the frequency required to cook food. Although normally not a safety hazard to operate, this is a sign that the magnetron is failing and will need to be replaced as soon as possible.
  2. Exhaust fan motorIf your microwave is making a very loud humming noise during operation, it could possibly be the exhaust fan motor. If defective the part will need to be replaced to silence the appliance once more.
  3. Stirrer motorAnother leading cause of a noisy microwave is an expired stirrer motor. With use this part becomes worn and makes a loud grinding noise, which is usually a leading indicator that the part needs to be replaced. The stirrer is a metal blade that is slowly turned by the motor. This action disperses the microwave energy in a random pattern, which heats the food evenly. If the stirrer motor is determined to be nearing expiration, it should be replaced to halt the grinding noise.
  4. Turntable motorA very common cause for a noisy microwave is a worn out turntable motor. This is a relatively easy repair and will put an end to the noise once replaced.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#13#ixzz2ZYUSVYSH
http://www.appliancepartspros.com

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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.

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Model number AM925EFP. It behaves as if it is working fine, timer, programming etc but it just doesn't heat anything up.


Actually there is a part installed in Microwave By the Name of Magnetron get it checked by techinician i do have the best way to resolve it in free of cost but get it checked first its dead or not

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It sounds like the magnetron may have either failed or is not being supplied with the extremely high voltage required to run it.

YOUR SAFETY IS PARAMOUNT

This is a job for a professional but if you are safety clued up, here's instruction.
Make sure the !!!!any capacitors are discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 or moving coil meter on high resistance range for short circuit, (DVM's won't show the fault!), the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.

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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?

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