Question about Kenmore 62702 Microwave Oven
Over the oven.
Manufactured date is August 2007. After cooking at 100 power for about 20 minutes, popping sound starts 5 minutes after cooking done and dish is removed. Popping sound lasts for about 10 minutes. If door is opened during the 10 minutes, the sound will stop; however the sound resumes when the door is closed. The exhaust fan comes on automatically.
This oven replaces an old microwave that exhausted to the outside.
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Posted on Jan 02, 2017
SOURCE: microwave runs constantly
If it's less than a year old, it's under warranty and you should call the nearest Sears store for free repairs. Quite often this is due to a bad door switch. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your full model number here: http://www3.sears.com (the 3 is correct)
Posted on May 08, 2007
Both of you have suffered at least a failed fuse and these are nearly always inside the housing.
Sometimes the fuse (which are calibrated pieces of special wire) will fail from metal fatigue but it can also mean that either the heavy current, high voltage rectifier that produces the magnetron voltage or the magnetron itself has failed.
Some units have separate fuses for the control and display electronics and another, very high current (~30 Amp) fuse for the magnetron circuit.
Do not attempt to open the unit unless it is, and has been, unplugged for an hour or more.
Gaining access is generally not difficult and either the back panel or top can be removed with a half-dozen screws. The fuses may not always look the same but the most common is a ceramic case with metal ends and it might be pushed into a simple fixture that snaps over the metal ends.
If you do not own a simple digital multimeter, I recommend buying one. They are available from various sources; electronics and auto parts stores will have them for under $20 US or if in the US, check your local directory for Harbor Freight outlets. I have bought several for $3.00 there and scattered them around vehicles and the normal junk drawer in the kitchen. Even the simplest of these will have several basic ranges and the resistance range is the one used for checking that fuse. Remove the fuse from its clips and measure it between the metal caps on the low range (often 200 Ohms). If the display does not change, the fuse is blown; if it shows something in tenths or at least below 10 Ohms, it's OK.
If you care to delve further into your microwave at all instead of replacing it (they have gotten almost too cheap to repair), comment back here again and I will try to guide you further.
Posted on Nov 17, 2008
To find helpful exploded view diagrams and get part numbers, you can just enter your full
model number 721.63664300 at the Sears
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on May 12, 2009
Sounds like a bearing is tightening up when it get heated up with use. Then after a cool down period it works normally until using it heats it up again. Eric
Posted on Sep 15, 2009
The F-9 error code indicates a defective control board, inverter or line voltage too high .
WARNING : A microwave is capable to give you a serious electrical shock even when it's unplugged , so I recommend you to call a repair technician for help .
good luck .
please don't forget to rate !
Posted on Apr 04, 2010
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