SOURCE: microwave power level
The first thing to try is a "hard reset". Unplug it from the power line for a minute, plug it back in, set the clock, then try again.
If you don't have your owner's manual, you can download it free from GE/Hotpoint.
Please reply back if you need more help.
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SOURCE: microwave not cooking food
Chances are you have a bad high voltage parts, such as the high voltage rectifier diode, a bad magnetron, a loose connection at the magnetron, or less likely, a bad high voltage transformer.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html
To order parts or find your nearest authorized servicer, please use the contact information in your owner's manual.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: Samsung Microwave runs won't heat
Test the high voltage capacitor,the rectifier diode.or the magnetron.
If it additionally does not spin and no light, then check also the door switch.
The diode and capacitors can br tested. The capacitor must be alloweddischarge before testing, or you risk to get electrocuted, even ifpower is off. Capacitors can get discharged by shorting their twocontacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.
All locations, and description of this parts can be located using the diagram here: Counter top.
Parts must be tested to find out what is wrong.
Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.
Regarding parts, contact the seller here to purchase parts. (here in UK).
SOURCE: Samsung microwave doesn't heat food.
Microwave ovens that do not heat, and failed as you have described, have 1 or more of the following failed components, in order of cost -
1) Fuse
2) Diode
3) Capacitor
4) Transformer
5) Magnetron
4 and 5 are interchangeable when it comes to cost.
Try replacing 1 and 2, then 3, then it's decision time of whether to buy parts or replace the microwave.
Even though your door switches appear to be fine, one of them is bad, most likely the top switch, so you need to check it.
Also try resting different resistors and capacitors on the circuit board and try to find out a square box near the transformer. There could be one pin that did not appear to be soldered correctly. If so cleaned the pin and resoldered the pin.
It may be needed for you to perform an RF leakage test. Most amateurs and even many professionals do not own an RF leakage meter. You can get one at appliance and electronic parts suppliers, costing from about $10.00 up to many hundreds of dollars for the certified models used at the professional level. You can find inexpensive RF detection devices at many retail stores such as Wal-Mart and Radio Shack.
If your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then check your fuses and your door switch. If the internal fuse or thermal fuse is blown you will need a professional to help you replace it. You should also check the door hooks and the door release button. If they are broken, your microwave will not work.
If your microwave looks and sounds normal but isn't producing any heat, you should check the internal door switches, the high voltage circuitry and the circuit board for problems. You will need a certified technician to help you make these repairs.
If you are unable to adjust the power level, there may be a defective triac or a problem with the circuit board. If the carousel inside your microwave won't turn when you run it, the small motor that operates it may be broken.
If the display flickers but it does not affect how the microwave heats, then you don't need to worry about it. But if you are having display flickering and it is affecting the way your microwave operates, you may have a more serious problem in the microwave cabinet.
If your microwave buzzes loudly and produces no heat you probably have a defective power diode, magnetron or high voltage capacitor. These are all things that can be replaced or repaired by a qualified technician.
Hope this will help you. Good Luck.
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