Question about Microwave Ovens

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Problem with electrical source

Bought this microwave oven August 1. Existing outlet for microwave location was a clock outlet. Plug in back of microwave too large for clock outlet. Appliance store provided an outlet adapter. After three weeks of now problems, microwave no longer takes power from this or any outlet. Now I see in product manual that it says not to use an adapter plug. Could this have caused the problem? I am wondering what to do. Would have to hire an electricial to change the clock outlet to a normal one, Or use another adapter, or get an appliance extention cord. Help!

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Does your manuel also tell you to use a DEDICATED 20amp circuit to plug your Microwave in to? More that likely you used a 15 amp circuit that other appliances were also plugged into. A refrigerator or other cooling item needs its own 15 amp circuit but can tolerate small amp draw items like a clock. The new, higher wattage microwaves need a 20 amp circuit for itself. Have your line checked , have your microwave fixed. Start new

Posted on Aug 26, 2008

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Blowing breaker


In general house hold circuit breaker of the house is 15 Amps or 20 Amps.

Either you have defected (weak) circuit breaker and wiring or bad Microwave oven.

The 99.99 % house hold Microwave ovens pull less than 15 Amps. They may have internal ceramic 15A fuse or 15 Amp internal circuit breaker.

To isolate your problem:

1. Plug your Microwave oven to different areas (different electrical circuit) if the different circuit breaker still trips... your Microwave oven has a short - Most of them has a small ceramic fuse 15 amps fuse.-also check some inter lock switches at door .

2. If the Microwave oven works Ok then you may have:

2a. You may overload the existing electrical circuit, try to unplug some other appliances

2b. You may have bad electrical outlet receptacle (Replace it with the same type , - may need helps from licensed electrician)

2c. Weak or defect house hold circuit breaker. (Replace it with the same type , brand - may need helps from licensed electrician)


Jan 24, 2014 | Goldstar Microwave Ovens

Tip

How to replace the bulb of a microwave oven


Replacing a Built-in Microwave Oven
  1. Step 1 Locate the cabinet above the built-in microwavemag-glass_10x10.gif oven. Find two screwed-in bolts. Unscrew the bolts while someone holds the microwave steady.
  2. Step 2 Unplug the electrical cord from the cabinet above and snake the wire down the hole towards the microwave oven. Continue having someone hold the microwave steady.
  3. Step 3 Roll microwave to left or right to set it free from the mounting bracket in the back. The microwave oven should now be unlocked from its position and can be removed completely from the area.
  4. Step 4 Install the mounting bracket on the new microwave that was included in the package.
  5. Step 5 Snake the electrical cord of the new microwave through the hole in the above cabinet. Plug in the electrical cord.
  6. Step 6 Lift the microwave and rest it to line up with the existing mounting plate on the wall. Roll it until the microwave is locked in place.
  7. Step 7 Use a screwdriver or electric drill to screw in bolts above cabinet into the microwave mounting bracket. This will keep the microwave securely and tightly in place. Your new microwave is ready to use.

on Apr 04, 2010 | Microwave Ovens

1 Answer

How do I set Clock?


Disconnect the microwave from the power source while the power is still out. If the microwave is a built-in, turn off the circuit breaker. Otherwise, unplug the microwave from the wall outlet. This prevents a power surge from damaging the magnetron tube when the power is restored.Turn on the circuit breaker or plug the microwave into the outlet only when you are sure that the power is permanently restored. If there are still storms in the area, the power may be disrupted again. Reset the clock on the microwave. Microwaves vary slightly on how to set the clock, but usually there is a clock button you press. Use the number pad to input the correct time and press the clock button again to set it. Test the microwave by heating some water to ensure that it is still in good operating condition.

Jun 20, 2012 | Emerson Fans MW8995B Microwave Oven

1 Answer

Microwave stops randomly on its own, dispaly flickers and I get prompted to enter clock settings, what should I do to fix it


When a microwave asks for the clock settings, it has lost power. Check the plug and the outlet for damage or if it is loose. When on, vibrations can cause the plug to reposition if loose enough. Even a very short loss of power will reset the microwave. If the plug/outlet is ok, then check to make sure that the fuse for the outlet is tightened fully (breaker switches do not have this problem). Last, try another outlet as the wiring to the outlet may be loose.

Feb 11, 2012 | Danby DMW773 Microwave Oven

1 Answer

The microwave does't make any noise ,,,but the count down on clock is working ...light is working but no fan ...or huming noise ...what could it be


HELLO.

The likely thing to be is that the microwave fan is faulty.the solution is to replace the fan.

Needed instrument:Phillips-head screwdriver.

Instructions on how to replace the fan is detailed given below.


    • 1. Unplug the microwave from the wall outlet to prevent an electrical shock while
    • working on the microwave oven.

    • 2 .Remove the screws holding the fan shroud to the top of the microwave oven. Using a Phillips-head screwdriver, turn the screws counterclockwise to back them out of the panel. Set the screws in a safe place so they will be available for installing the new fan.

    • 3.Slide the fan shroud--also referred to as a damper plate--forward, toward the front of the microwave, to remove it. Set the shroud to the side.

    • 4. Lift the fan assembly out of the microwave. An electrical cable and plug is accessible once the fan assembly is out of the way.

    • 5. Unplug the electrical connector from the fan and fully remove the fan assembly.

    • 6. Set the new fan assembly close to the top of the microwave to facilitate plugging the new fan into the microwave's connector. Plug in the fan assembly.

    • 7. Position the new fan in the same orientation as the old fan's before its removal. Lower the fan assembly into position.

    • 8. Slide the fan shroud in place and install the screws to secure the shroud.

    • 9. Tighten the screws with the Phillips-head screwdriver by turning the clockwise.

    • 10. Plug the microwave oven into the wall outlet and test the new fan installation.
Thanks

Sep 20, 2011 | Haier Microwave Microwave Oven

2 Answers

No electricity Clock is off nothing works


Plug something else into the outlet and see if the device works if it doesn't then reset the breakers. If the other device does work then the microwave is bad and needs replacement.

May 29, 2010 | Whirlpool MH7140XF Microwave Oven

3 Answers

Built-in Sharp Carousel II Microwave Convection Oven died.


There are a couple of safety thermostats in the oven to shut down power if something overheats. One is on the magnetron tube (the microwave source), the other is on the cooking cavity. These sometimes go bad. There's also a power line fuse that may have failed, or become loose in its mounting clips. These can be tested with an ohmmeter; they should all measure very close to zero ohms if they're good.

Another possibility is that the control circuit board in the oven may have failed. I have worked on several Sharp ovens where the power transformer for the board has gone bad for no good reason. If the board goes bad the oven may appear to be dead as well.

Microwave servicing is best left to professionals. If you're thinking of keeping this one, take it to a service shop (or call for home service) and get an estimate. Then decide whether to repair or replace.

Hope this has helped a little. Thanks for using Fixya!

Feb 02, 2010 | Sharp R-1874 Convection/Microwave Oven

1 Answer

The microwave just stopped working in the middle of heating


Always have something in the microwave before turning on. A glass of water is OK. It's needed to absorbed the energy.
All microwaves will stop if the door is opened. This a safety feature. Never operate with the door opened.
The button below the plug outlet is a test button for the GFI (Ground Fault Interrupter). This is a safety feature of the electrical wiring for your home. Make sure it's turned on.
Since this is a new unit, you may want to take it back to the store you bought from for an exchange/refund.



WARRANTY Parts Warranty Limited 1-year entire appliance Labor Warranty Limited 1-year entire appliance Warranty Notes For models produced on or after January 1, 2006
See written warranty for full details

Mar 30, 2009 | General Electric JES0736SMSS 700 Watts...

1 Answer

Nothing on my touch pad works


My microwave way manafacture May 2008. Nothing on the touch pad works.???. It just abrubtly stopped
after a few seconds.

We brought it in July or August

Debbie

Mar 27, 2009 | Maytag MMV1153A Microwave Oven

2 Answers

Microwave stopped working completely


Fan turned on after cooking because a thermostat got to hot and tripped turning on the fan to try to cool the unit.  The unit went completely dead when thermal fuse tripped which is located above the cavity on the left side.

Oct 30, 2007 | Magic Chef CMV1000B Microwave Oven

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