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Remove the wire from input 12 on MASSO
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Take a piece of wire and connect one end to Input 12 on MASSO
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Touch the other end of the wire to one of the Red power terminal screws on MASSO.
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Watch input 12 on the F1 screen and you should see it toggle between High and low when you connect the wire to the red power terminal and disconnect it.
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If you see input 12 toggle between High and Low then the problem is in the Onefinity wiring.
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If the input 12 does not change state then the MASSO input is the problem
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