Page 16Trouble ShootingINSTALLATION INSTRUCTIONSSYMPTOM: The backlight on the thermostatdoesn’t work.CAUSE: There is no common wire connectedto the thermostat.REMEDY: In order for the backlight to energize acommon wire must be connected to thethermostat. Install a common wire from the24v transformer powering the thermostat.SYMPTOM: The slide switches on the thermostatare very difficult to move.CAUSE: The backplate of the thermostat isdeformed by being screwed tightly into awall that is not perfectly flat.REMEDY: Loosen the screws holding thethermostat into the wall.72Heat Off Cool Fan On Fan Autonextrunoffsetprog72Heat Off Cool Fan On Fan Autonextrunoffsetprog