Found dehumidifier in art room not to be set on external control. Found thermostat in art room fan to be in the on position which is what caused it to overheat because the dehumidifier was just running putting heat up there. Reset the external on the dehumidifier and tested to make sure the zone open and closed for the art room and the master bedroom. Guest bedroom air handler has power going to the analog to digital module, but nothing is happening with the system. Reset power now blower comes and a 20° temperature difference Found that the IT room is putting out 90° air into the basement causing the basement to be warm. Couldn’t find anything wrong with the downstairs and basement unit overheating any areas.