Having a problem with bridgeport series I interact w/ heidenhain tnc151a controller. Main orange power button will not light up. Took off the panel and look at the switch. It has a resistor or capacitor or diode ( can't tell what it is) that jumps across two poles of the switch. It looks to be shot. I need to find out what it is so I can replace it. Any help is appreciated. Thanks
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