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Rating: 2.6 - 53 votes
After looking, door was starting to arc and burn around the edges in three places, ...You can't leave this oven unattended for a minute or you could be calling 911! ... In October 2014 I purchased a Panasonic microwave model NN-SA661S. ... The timeremits "4 beeps" when the time is up; other microwaves, continue to beep ...
PanasonicModels no. nn-sn651b ... nn-sn661s .... Use this appliance only for its intended use as described in this manual. do ... Thank you for purchasing a Panasonic MicrowaveOven. ... you press Start. note: The Glass Tray can turn in either direction. ..... If a pad is pressed and no beep is heard, the unit did not or cannot accept the
This is either the door sensing switch (most likely) or a bad membrane switch [start switch] (that's what Panasonic calls it) on the touch pad. The contacts on the door sensing switch can be slightly contaminated and not read "zero ohms" to the control PCB. The control board thinks that the door is open and it will not allow the cook cycle to start.
I have a similar microwave that I recently repaired. NN-9854 (bad capacitor). So your microwave functions but you cant stop it unless you unplug it, it ends its cycle, or you open the door? Does it beep when pressed? If not, you need a new control pad.
I took the touch pad control unit apart, clean the connector for the ribbon wire connection between the key pad and the control unit, reseated the ribbon wire in the connection. Everything worked like new.
I tried looking up the part number for this model and they don't
identify clearly what the touch pad is. Would have to get one of
the parts companys (andrewselectronics.com) to do research on it.
I've done surgery on a few touch panels and it usually works out.
Have to break through the plastic tabs holding it together, then you
can clean the contacts. Then do something like find little tiny
screws to fasten it back together.
Hope Ya Fix It!