Are you merely tapping the Start button quickly, or are you maybe holding it for a pause or two, or are you perhaps pressing it twice. The Start button is programmed to add 30 seconds if it detects a 2nd push.
SOURCE: Whirlpool RMC275PD microwave won't start
I would first suggest unplugging the oven for a few minutes to give it a reset. On Whirlpool brand microwaves, you will hear a series of beeps when you hit START if one of the following is true: - the control panel is not programmed correctly - the door is not shut - there is a problem with the door latch system - there is a problem with the control panel If you do not have your owner's manual, you can download it here: http://www.whirlpool.com/custserv/literature_search_results.jsp?searchTerm=RMC275PD#literror It doesn't sound like the control panel is locked. When the control panel lock is activated, you will see "Loc" and a lock symbol in the display and only the clock, timer, and oven light will operate. If that does not solve the problem, then you have oneof the other problems as listed above. If you need further help, please reply / add a comment here.
SOURCE: Microwave shuts off after 3 seconds
Although your model number doesn't seem to show up, the NNS950-series units are powered by an high-voltage inverter. And yours has failed. While an inverter (switched-mode power supply) is more efficient from a power consumption standpoint, it is more complex, thus more statistically prone to fail. These should only be examined and worked on by someone who has the necessary technical qualifications. Seriously. Often the machine-soldered connections in a microwave inverter are too weak, so they eventually fail, especially if heat is high in the area. They sometimes fail catastrophically. When not catastrophically damaged, you may hear clicking or squealing and may smell an electrical odor, which is sometimes obscured by the cooling fan. Sometimes a whole new inverter is cheaper than the time and labor required to fix the old one. If a technician is willing and able to troubleshoot and repair the inverter to component level, it will may be expensive, but may be worth it, especially if he or she will resolder and reinforce connections as needed as part of a thorough repair. That could easily make your inverter beter than a new one! You might be able to get some verbal estimates if you call Panasonic-authorized appliance / microwave repair shops and ask then specifically about inverter component-level repair and simple inverter replacement costs for your exact model number.
SOURCE: Clock will run down to 1 second of the minute and microwave will stop
The surge probably didn't cause this. This common error indicates a problem in the convection damper circuit. It may be a defective damper switch, damper motor, or a jammed damper door. I have attached a drawing of a typical damper system. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can order parts for Sharp models from Tritronics at http://www.wehaveparts.com.
SOURCE: the microwave starts, then stops 2 seconds later
I tried a solution posted on another posting http://www.fixya.com/support/t242480-stops_cooking by placing the conductive plastic behind the control panel and it worked.
SOURCE: Just quit working...but not everything.
Hi , open the cover with philips screw driver , b sure unplug it first , If you have continuety tester check the fuse if open replace it , are available in electronics center brings that sample and insert it.
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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Usually answered in minutes!
Thanks Stan, I was only pushing the start button once after setting the timer with the dial, I've since worked out how to use it without getting the added time - 1. push stop / clear 2. push power button once 3. set timer (10 seconds increments) 4. press start once. All good
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