Message MeaningTemperature Set Back: If the spa water ismore than 20°F cooler than the temperatureset point, the filter pump and heater willautomatically activate. This is a normal spafunction; no corrective action is necessary.Freeze Protection: If a freeze condition isdetected, the pumps are automatically acti-vated. This is also a normal spa function; nocorrective action is necessary.Open Sensor: Spa is deactivated. The highlimit temperature sensor is nonfunctional.This must be repaired by a dealer or serviceorganization.Open Sensor: Spa is deactivated. Thewater sensor is nonfunctional. This alsomust be repaired by a dealer or serviceorganization.Temperature LockThe temperature lock is provided to prevent unautho-rized temperature adjustment of your spa. While settingyour spa water temperature, and after you have pressedor , follow the instructions below tolock the set temperature. When the temperature lock isengaged, all automatic spa functions will operate nor-mally.These buttons must be pressed within 3 seconds toactivate the lock. When locked, the display will show thespa temperature, the lock symbol, and the words SETHEAT. When the spa is in the temperature locked mode,the temperature buttons are deactivated. When pressed,the set temperature will appear with a double arrow nextto it.OPERATIONDisplay MessagesThese are some of the messages you will see on thecenter display.Message MeaningBattery Backup: Power has been cut OFF tothe spa. It is using its 15 minute recharge-able battery backup to preserve its settings.The control panel will be disabled until powerreturns to the unit.Overheat Protection: Spa is deactivated. Ifa malfunction occurs and the spa waterreaches 112°F, the system will completelyshut down.` DANGER: DO NOT ENTER THE WATER.Turn off all power to the spa and contactyour dealer or service organization. Pressany panel button to reset.Flow Switch (Constantly displayed): A pres-sure switch has malfunctioned. Contactyour dealer or service organization.Flow Switch (Flashing): 1) The filter may beplugged. Remove the filter and clean. 2)The amount of water may be inadequate. Besure the spa is properly filled. 3) A pressureswitch has malfunctioned. The spa willoperate, but the heater will not activate.Contact your dealer or service organization.COOLOHA8FLOFLOPress . The display will read LOC F .Then . The display will read O .Then . The display will readSET HEAT .Unlocking the PanelTo unlock the panel, these buttons must be pressed inthe correct sequence and within 2 seconds. When thelast button is touched, the lock symbol disappears. Allbuttons are now active.Press then then .8ICESH ISH3