My progressive EMS-50 (installed after the transfer switch) did not like my old Kohler gen head. The remote would only display a 'communication error' code. It seemed to work, but no useful display. Progressive sent a new board, but it didn't help. After I changed to a new gen head from CGG, it worked, but showed a lower voltage than a high quality meter showed. If I recall it was showing 113 when the meter showed 119. Worked fine on shore power.
I sympathize with your gen issue, but the Progressive does not seem to be the right unit in this situation.
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 Gardner Yeaw
86 PT-36 Golden Memories
83FC35 SB $IXTEEN TON$ SOLD
78 FC 33 Happinest (Sold)
Ridgewood, New Jersey
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