I am experiencing this similar behavior on a Insteon 2477D DualBand Switch V41 installed June 2014 (3 Lvg Room wall sconces)
1. When turned on at switch, single tap, fixtures only lights to approx 60%. Dash board indicates OFF....(on level, applied locally set at 100%)
2. When second tap, lights to 100%. Dashboard indicates OFF.
3. When turned on at Dash board, lights go to 100% and Dash board indicates 100%. Off at Dash board, visa versa.
4. When switch manually dimmed ON to any percentage, Dash board indicates OFF.
5. When manually dimmed on at Dash board, switch responds accordingly.
Is there a recommend "health check" to conduct of the switch in communicating to ISY?
Thanks,
Allan