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HAI Omnistat / Omni Pro II question

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    Do you have a jumper installed on J8 on the thermostat?

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    started a topic HAI Omnistat / Omni Pro II question

    HAI Omnistat / Omni Pro II question

    I know this is not related to Homeseer, but I hope someone on this board can point me in the right direction. I just installed an OmniPro II (it's fairly old but upgraded to the most recent firmware). I have an (also old) Omnistat RC1000 thermostat. I have them connected as indicated (using zone 16 and output 8). I verified the connections are good (no broken or loose wires anywhere). They only seem to communicate in one direction (thermostat to Omni Pro). I am unable to command the thermostat from the OmniPro II using PCAccess.

    I appreciate any thoughts (especially if there is something simple I am not doing).

    Last edited by; June 3, 2015, 04:43 PM.