Salus OPTIMA User Manual

Contents

OPTIMA ZigBee Thermostat 23TROUBLESHOOTINGThe thermostat does not call for heat and/or cooling.• Check that the connector pins are straight• Check that the thermostat is fully seated on the mounting plate. If theterminal connections are not fully engaged, the firmware does notactivate the relays. This prevents power surges to the HVAC system.The heat and cooling are reversed.• Check that the thermostat is configured properly, Heat Pump (HP) ornon-HP. If Heat Pump, Check that the O/B configuration is correct.• Check that the wiring is correct, especially the Y and W wires. If HeatPump, Check that the O/B wire is correct.The fan does not turn on.• Check that the wiring is correct, especially the G wire.• If oil or gas heating, make sure the furnace is working. in Gas Heatmode (HG), the fan is under furnace control to avoid a blast of cold airat the start.Display does not appear when low batteries are replaced.• Press the Reset button on the bottom of the thermostat with astraightened paper clip or pen point.