Question about Bosch HMB402 Microwave Oven

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Microwave made a weird noise while heating--sounded like a garbage disposal. Should we stop using it and call for repairs?

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Hi,


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 29, 2010

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Won't heat, sounds and looks fine


The Titanic looked fine! :) You have blown a fuse. Check inside the oven chamber and look for missing powder paint or signs of arcing, if so there is a paint to repair microwaves for this issue or else just dispose of the microwave. If the inside is good remove all the screws and remove the cover. Replace the fuse. If the magnetron was making louder noises prior then replace the magnetron. Since the fuse went the giant capacitor is likely bad. While the cabinet is open make sure to look for burned wires, check the continuity of thermal cutoffs, and check the main circuit-board for burned traces or components. The relays in most electronics are known for arcing (spot welding) and staying in the wrong position. Tap them hard with the back end of a screwdriver. During all of this use safe electrical practices by having the power cord unplugged. The capacitor could still have a high charge on it so be careful.

Dec 01, 2013 | GE XL1800 1100 Watts Microwave Oven

1 Answer

Garbage disposal is not working. There doesn't seem to be anything in it and resetting and unplugging/replugging hasn't worked. Do I have to take it apart?


Hi,
Here is a tip that I wrote that will help you to figure out what is going onwith your garbage disposal and why it is not working.

Garbage Disposal Clogged or Jammed heatman101

Apr 25, 2011 | Microwave Ovens

1 Answer

Never have used a garbage disposal, now after 4 month and using it only about 30 times the water in the sink will not drain. When I turn on the garbage disposal the water in the sink swirls so I know it is...


hello fowl..... you have a blockage in the garbage disposal. you can use a chemical drain cleaner and pour it into the sink where the disposal is located. you should also look into that drain with a flashlight to make sure that there is not a fork or some other object causing the blockage. If you do not choose to use the chemical, you can also disconnect the disposal using the wrench that should be under the sink where the disposal is located. if you choose this method, have a pail handy to catch the water. also unplug the disposal before you work on it. Joe

Apr 24, 2011 | Microwave Ovens

1 Answer

I am looking for the installation guide for our old FB11 garbage disposal showing the sequence of installation steps


hello and welcome to fixya,
could you please provide the make of the garbage disposal? it will help me to narrow down my search alot of units seem to be fb11 garbage disposal I await your reply Thanks
Rick

Mar 23, 2011 | Microwave Ovens

1 Answer

I bought a used home and the garbage disposal does not turn on


REPLACED WILL BE SHEAPER THEN REPAIRING AN OLD ONE.

Feb 18, 2011 | Microwave Ovens

1 Answer

Is there a reset button on a emerson garbage disposal model e404?


Hi,


Here is a tip that I wrote that will help you to figure out what is going on with your garbage disposal and why it is not working.

Garbage Disposal Clogged or Jammed


heatman101

Jan 05, 2011 | Emerson Microwave Ovens

1 Answer

Garbage disposal is not clogged: I can freely turn it with my socket when placed on the center nut. However, when I flip the wall switch to turn it on I can hear the motor trying to "fire" up but...


Your motor is damaged and is not worth repairing on a garbage disposal. Recommend you get online and look for a good waste king disposal. They have the best warranties, incredible prices, lifetime corrosion warranty, have 1000 rpm's faster than the other brands so the food is liquified for the septic systems, and I have never seen one that was jammed in 36 yrs. of service! Good Luck, Appliance Specialists

Dec 03, 2010 | Microwave Ovens

1 Answer

Kenmore 721.80523


Is there any burning smell after you try to heat with the microwave?

In most cases of no heat with a loud noise, it's a bad high voltage diode or magnetron.

Posting that video may help if you get the sound clearly.

We're happy to help and we appreciate your thoughtful rating of our answer.

Jun 28, 2008 | Kenmore 62643 Microwave Oven

1 Answer

Microwave was working now making funny noise and not heating food and this is a brand new microwave and because i live in the virgin islands they are telling me the warranty cant be covered but the virgin...


I am having the exact same problem. There was a large POP and now it makes a weird noise and doesn't heat. Everything else appears to work though. I think it may be the HV Capacitor. Before I tear this thing off the wall and check the Capacitor does this sound like it may be the problem?

Jan 08, 2008 | Frigidaire PLMV169DC Microwave Oven

1 Answer

Microwave making loud grinding sound


Sounds like a bad magnetron. One test is to set it to run for 30 seconds on the lowest power level. As the microwave power turns off and on, the growling should cycle too. If you or a friend decide to work on it, we have *critical* safety *& disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383 Otherwise, you can contact GE Customer Relations at 1-800-386-1215 and tell them your problem and they will put you in touch with a local authorized servicer.

May 15, 2007 | GE JVM1650 1000 Watts Microwave Oven

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