Question about Neff H5642 Convection / Microwave Oven

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I can hear cracking sound and does not appear to be heating properly

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

Basic Microwave Oven TroubleshootingTips

heatman101,/,

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

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NOT HEATING ANY FOOD .MAKES THE PROPER NOISE BUT EVERYTHING COMES OUT COLD !


The klystron is probably bad. The sounds you hear are made by the fan and turntable motor (if included). Consult with a service center for repair cost, or consider purchasing a new model.

Jun 03, 2015 | Microwave Ovens

1 Answer

My microwave oven siows down and then speeds up.


Is it still heating food properly? You can perform a basic test with a microwave safe mug or plastic cup of water. It should be boiling or too hot to touch within 1 to 2 minutes. Be careful not to overheat the cup if plastic and use extreme caution when touching or removing it from the microwave.

If it is not heating properly then the magnetron may be faulty and unit should be replaced.

Can you tell what specifically is speeding and slowing? Is it the turntable or the humming sound of the unit itself? Many microwaves vary their intensity in order to heat/cook evenly and that will vary the pitch of the sound you hear and sound like it is speeding up or slowing down. If the turntable is slowing and speeding up then there may be a bad motor and the unit should probably be replaced.

If the unit is heating adequately and the turntable speed is uniform then what you may be hearing is simple power cycling and/or fan noise.

Only trained and certified technicians should attempt repair of microwaves due to the hazards of high voltage and microwave radiation leakage if parts are not replaced properly. Although you can have a microwave repaired the cost may be equal to, or higher than, the cost of an equivalent new unit for a 900w microwave.

Feb 28, 2015 | West Bend 0.9-cu. Ft. 900-watt Microwave -...

1 Answer

Food not getting heated


There are three common issues, magnetron "heats food" cracked high voltage diode, or a shorted high voltage capacitor. In order to find out you will need a professional to assess, it will be probably cheaper to replace the microwave oven.

Mar 16, 2012 | Electrolux Microwave Ovens

1 Answer

Frigidaire microwave not heating over the range


Hello

Try to cook something simple such as microwave popcorn. If the unit does not light up or turn on, check the outlet with another appliance to make sure the outlet is functioning correctly.


Check the fuses or circuit breakers in you house. If the outlet does not work after testing it with another appliance, try to plug the microwave in a different outlet.


Check the hinges and door hooks to make sure the door is closing properly. Look to see whether a small piece of food is clinging to the door, preventing it from closing all the way. Check the release mechanism and the rotating plate to make sure they can move freely as well.


Plug in the microwave and start it a the bag of microwave popcorn inside. If the lights go on but it is not producing heat, listen and try to hear whether the unit sounds the way it usually does. If it does not, there might be problems with the circuit board. This will need to be repaired by a certified Frigidaire professional.


Check the display that shows the time and power. If the display is flickering but it does not alter the operation of the microwave, it is not a problem. If, however, the lights flicker and your food is not heating, there may be a problem in the microwave cabinet.


Listen for buzzing sounds. If there is a buzzing sound and no heat is being produced, you may have to get a new magnetron, power diode, or high-voltage capacitor. These can be purchased from a Frigidaire retailer.


Look at the handle on the door. The most common complaint about all models of the Frigidaire microwave, according to Consumeraffairs.com, was cracked or broken door handles. Frigidaire will replace faulty handles while the oven is under warranty. In many cases, they will replace the handle even after the warranty expires for a "reasonable" amount of time.

Oct 04, 2011 | Frigidaire 1.6 Cu. Ft. Over-the-Range...

1 Answer

Microwave is 6 monthes old. will run table will turn but not heating properly hearing strange sound and smell.


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


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Dec 27, 2010 | Frigidaire PLMV169DC Microwave Oven

1 Answer

Microwave not working. all lights and timers working but oven not heating(not hearing the hum you hear when it is working properly). all buttons functioning properly.


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

Basic Microwave Oven TroubleshootingTips

heatman101';][][

May 04, 2010 | GE JVM1320 Microwave Oven

1 Answer

GE Advantium SCA1000 not heating


That would be 'the primary interlock (top door switch), or its mount may be loose or cracked.

It may be a coincidence, or not. Hard to say.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

But it could be misalignment from the door work. Too bad he didn't just replace the door handle. That's such an easy job.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

It's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

We have the service / repair manual for this model and have uploaded it to our site here to help you.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.

You will need the
free Acrobat Reader to view or print it in case you don't have it already.

If you only need a switch, you can order a universal type here for $5 postpaid.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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Jan 28, 2009 | GE Advantium SCA1000H Convection /...

2 Answers

Everything works except heat


Sounds like you've had a failure in the microwave portion of the unit.

Microwave not heating problems when the timer/controller board appears to function properly, are related to the following components -

1) Diode
2) Capacitor
3) Transformer
4) Magnetron

Jan 24, 2009 | GE JE1540 Microwave Oven

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