My Kenmore microwave (model 665.61683101) 1500 W oven worked great for several years. It was on an electric circuit with outlets in the house. Recently, with my new TV and exiting microwave on at the same time caused the citcuit breaker to trip. The electrican I hired placed the microwave oven on its own circuit by running a new wire from the panel box to the oven. A new 15amp circuit breaker was installed. Immediately, thereafter it takes over twice as long to cook items. The electrican came back and checked the wiring in the panel box and said he sees no reason why there is reduced power to the microwave. The old circuit was also on a 15amp breaker. Any ideas as to the cause of the greatly reduced power output?
I would be sure to check the microwave's outlet under a load.
One good way is to use a toaster or hair dryer for about a minute to see if they run at full power and run without their heating elements dimming.
If the power at the outlet is steady, I would suggest a hard reset. Unplug the unit for a
minute or so. Then plug it back in, set the clock and try again.
If it still fails to heat properly, I would say you have a failing magnetron, and it would just be a coincidence that the failure began after the new wiring was installed.
If you need to order the magnetron, Sears sells it for $73.13, but you can get it for $41.84 here.
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I have a Kenmore Elite Mod 721.63683300. At first I would occasionally get an F9 error once every 5 or 6 times I would use it. Now, I no longer get an F9 error, but power is reduced to about 50% as indicated by everything taking about twice as long to cook. I did a power off reset with no luck. Does the magnetron have a reduced power failure mode? Post Solution
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
Hi,
Here is a tip that will help you to figure out what is wrong with your Microwave Oven....
Basic
heatman101
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I tried all steps you suggested, except for installing the magnetron. Both of the steps did not help. I am willing to order/install the magnetron part, but I first need to know if this is something a homeowner can do. I know nothing about microwave overs. My owners manual says nothing about replacing this type of part. I do not know where on the unit I would find the magnetron. Any help would be appreciated. I will order the part only if I can safely install it. Thanks
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