Where do I begin looking for an L1/neutral polarity fault.(green red flash)

padropete Posts: 1, Reputation: 1

New Member

Mar 3, 2014, 03:28 PM

Where do I begin looking for an L1/neutral polarity fault.(green red flash)

Gibson/nordyne *sc upflow 92.1% gas furnace.im getting a red green flash.

Grady White Posts: 1,417, Reputation: 59

Ultra Member

Mar 3, 2014, 05:21 PM

You can try reversing the incoming black & white wires where they connect to the board.

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