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New smeg microwave, once the power is turned on the microwave starts automatically and does not stop turning until you switch the power off! It must be faulty.
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If it's the circuit breaker in your house or apartment that's blowing, then either you are overloading the circuit, or you have a bad breaker. Check to see what other devices might be plugged into that circuit, and move as many of them as possible to a different circuit.
Sounds like a bad magnatron (the part that emits microwave energy) or maybe just a bad door switch. If the door switch is bad it won't let the unit come on.
These above range microwaves "hoods" automatically turn on a cooling fan even when the microwave is not in use. If you read the manuals you will see warnings about the fans automatically starting. Even when the microwave is not in use opening the door likely interrupts the power to the automatic cooling fan.
Solution to your microwave problem is given as below.
* 1 Set your Daewoo microwave on a countertop near an electrical outlet and plug it in. Open the door and place the circular roller guide in the center of the oven cavity, then place the glass cooking tray over it.
* 2 Set your food on a microwave-safe dish and then put the dish on the cooking tray and close the door. Make sure that it latches properly.
* 3 Turn the upper knob to select a power level. Power levels include "Defrost," "Med-High," or "High." If your Daewoo has a touch pad, touch the "Microwave" button once to set the highest power level. Touch it consecutive times to lower the power level.
* 4 Turn the lower knob to set the cooking time. For cooking times less than two minutes, turn the knob up past the two-minute mark, then back to the correct time. For touch pad models, enter in the cooking time with the numerical keys and then press "Start."
* 5 Open the door at any time to stop the cooking and check the temperature of your food. Shut the door to automatically continue cooking, or turn the timer knob to the right to add more time. For touch pads, press the "Stop/Clear" button, then key in a new cooking time and press "Start."
* 6 Open the door when the timer reaches the "Off" position and take out your food.
Try holding down the stop/reset button until it beeps. If this does not stop it from turning on/off automatically then you may have a loose connection in the wiring between the inverter, magnetron, and/or control board, or one of those components have failed. Because of the lethal voltages used and produced with inverters, I do not recommend that an inexperienced person repair it.
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Hi,
Here is a tip that will help you to figure out what is wrong with your
Microwave Oven....
Sounds like the Magnetron in your Microwave has shorted out causing it to scream .. lol own purely none technical term .
Its actually a harmonic caused by the magnetron's anode resonating , usual fault caused by breakdown of the filaments , it is pretty much had it a new magnetron would cost almost as much as a new microwave . it may just possibly be the power supply with an oscillator fault but again that is a symptom of a serious power drain problem that also points to the mag ... sorry Regards Vortash
the door protection circuit needs attention, the door catches operate microswitches, but there is also a third which is a crowbar microswitch. if all three do not operate in the correct sequence then the safety switch or fuse will go.
i think you have a welded controller, either a digital one or a mechanical one. microwave won't run unless you switch it to run. the door switches are safety switches to turn off the microwave once you open the door. if you have a digital controller, you could have a welded relay, if you have a mechanical timer, it could be a welded contact at the timer. another thing is that it should heat what ever you are heating. if it is not heating, check if it has a fuse and if it is busted. some fuse are installed to protect only the magnetron that is why the light and turn table are still running. if there is no fuse to the magnetron, then check the diode from the capacitor to the ground. it could be open. if not then you can have a bad magnetron. i hope i was able to help.
You may have a control board issue. Thank God for safety switches.
This is a problem that an integrated circuit tech. can repair, but it may be costly.
Decide how much you want to put into this oven vs. buying a new one.
Contact me once you decide and I can help you find a service center.
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