Page 219.0 Operating InstructionsThe spa control system has automatic functions that operate upon start-up and normal operation to protect the system. Upon power up, thereadout displays the following information:1. Control panel displays current software release(e.g. 3.56), then;2. Control panel displays “888” and all indicator LEDsare lit, permitting visual inspection of all display seg-ments and indicator lights for proper operation.3. After the initial start-up sequence ends, the actualwater temperature is displayed. If water temperatureat this time is less then the factory default tempera-ture setting of 100°F (38°C) and the spa is set toeither standard filtration/heating mode “F0-F3”, theheater will turn on and run until the water tempera-ture rises to the factory setting, then turn off. Note:it is common for the heater to turn on after the spais first filled because tap water is often very cold.9.1 Setting Water TemperatureThe spa’s thermostat provides optimum control of water tem-perature. The temperature set point (set temperature) can beadjusted from 65°F to 104°F (18°C to 40°C). To raise the settemperature, press the WARMER ( + ) button. To lower theset temperature, press the COOLER ( - ) button. Note: Thefirst press of either WARMER ( + ) or COOLER ( - ) buttondisplays the set temperature.9.2 Activate PumpsThe JETS 1 button activates the functions of the main2-speed jets pump. The first press activates jets pump 1 inlow speed, the second press activates high speed, and thethird press shuts the pump off. The JETS 2 button controlsjets pump 2 which operates only in high speed. Both jetspumps have a twenty-minute default when manually acti-vated.1.2.3.