Question about Kenmore 62702 Microwave Oven
Buttons on control panel work but when you push start nothing happens
One of two thing happened here...
1. most likely...One of the interlock switches has malfunctioned. Micro. will NOT opperate unless ALL switches are working properly for safety
2. possible...the start button on the touch pad has failed in the circuit.
Posted on Mar 14, 2009
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The only way possible to see if the touch
pads are working is to test the voltage of the control pads when it contacts.
The input of the Microprocessor should be checked for the pad control impulse
to come in. If there is no trigger voltage to the mP this can be the control
The mP must be checked for the working voltage and also the frequency oscillation at the crystal leads. If so the mP is working with a suspected control pads which are not able to set the program or timing.
There is no way but to remove the sticker pad and replace, One difficult way to have a chance is to remove the carbon sticker pads and check continuity , You can use a carbon pen to line the tracks so that the multi-meter reads a continuity. With this you can have a temporary fix
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