My Kenmore microwave out of no where displayed a small lock symbol and will not do anything. I unplugged it and that cleared the time but still would not appear to do anything. I am press the "1" key and it will begin cooking for 1 second and then end immediately. I unplugged it for an hour plugged it back in was able to reset the clock, I checked the timer featurer and used it for a few seconds...it appeared to be fixed...soon after, maybe 15-30 seconds it beeped on it's own the display said "locked" then lock symbol popped up and now the time is displayed and again the only responsive key is the "1"...I have tried holding the start button and the cancel button for up to 10 seconds but they don't seem to do anything. Now it just beeped. It is an older unit but it looks new and has always worked great...model 665.69617991 Any thoughts??

William Miller

• 9179 Answers
• Posted on Jul 19, 2008

SOURCE: Humming sound, F9 and dead

Seems like I answered this, but maybe it's a different poster.

The 721 model code means it's an LG/Goldstar-made oven and F9 indicates a problem with the inverter or magnetron.

Due to the lethal voltages involved, I do not recommend that a person without training and experience ever work on these models.

I would suggest you contact Sears for service.

We're happy to help you and we'd appreciate your thoughtful rating of our answer.

SOURCE: Kenmore Microwave 62622 display says "locked" and will not operate

hold your finger on the locked button till the light goes out

Ginko

• 19396 Answers
• Posted on Oct 24, 2008

SOURCE: Kenmore microwave 721 Displays 66:66 and beeps

Try first unplugging power cable for ten minutes, and see if it clears the error.

silvio potito

• 103 Answers
• Posted on Nov 27, 2009

SOURCE: We have white

there is a component called a spatter gard inside the oven at the point where the microwaves enter......if food or other foreign substance gets stuck there, then it will start to burn ...the smell and popping noise is coming from the spatter gard.....to fix it you must remove the spatter gard..replace it if it's burnt and /or sand paper the spot clean and then paint the area with a high temperature paint called mr. touch up......to protect the bare metal from the microwaves.....hope that helps

AZBen

• 220 Answers
• Posted on Dec 12, 2009

SOURCE: How do I turn off Kenmore Microwave Beeping?

I've got a Honda Civic hybrid with the same noisy beeper. I can't have the parking lights on and the door open. I can't leave the key in the switch while making a phone call etc. I think we have to presume that like the Honda, there is no software controlled override on you microwave beeper... they know best and want you to feel safe and secure that no burglar will be able to make a cup-o-soup in your kitchen without waking you. A few screws and you should be able to expose the main circuit board and apply a layer of bubble gum or silicone caulk or JB Weld to the beeping device. Most have a small hole in a black plastic cylinder... so cover the hole and then test for loudness. For absolute silence, desolder the device from the circuit board and replace with a resistor matching the amount you measure across the beeper contacts with an ohm meter.