Discuss What could cause a Fluke T2 volt tester to dance up and down 12-230v in the UK Electrical Forum area at ElectriciansForums.net

LukeD

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New batteries ... There is a dimmer attached to the light circuit . Full power its fine .turn down , light flashes , volt meter LEDS dance up and down. 2 x dimmers tried .
 
New batteries ... There is a dimmer attached to the light circuit . Full power its fine .turn down , light flashes , volt meter LEDS dance up and down. 2 x dimmers tried .
Because the sine wave is getting chopped.
trailingedgewaveform1.jpg
 

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