25J-300 seriesJ-300 Series10.0 operating InstructionsThe spa control system has automatic functions that operate uponstart-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 displaysegments and indicator lights for proper operation.3. After the initial start-up sequence ends, theactual water temperature is displayed. If watertemperature at this time is less then the factorydefault temperature setting of 100°F (38°C) and thespa is set to either standard filtration/heating mode(page 28), the heater will turn on and run until thewater temperature rises to the factory setting, thenturn off.note: It is common for the heater to turn on after the spa is first filledbecause tap water is often very cold.10.1 setting water TemperatureThe spa’s thermostat provides optimum control of watertemperature. The temperature set point (set temperature)can be adjusted from 65-104°F (18-40°C). To raise theset temperature, press the WARMER ( ) button. To lower the settemperature, press the COOLER ( ) button.note: The first press of either WARMER ( ) or COOLER ( ) buttondisplays the set temperature.10.2 activate Jet pumpsThe control panel JETS 1 button activates jets pump 1.The first press activates low speed, the second pressactivates high speed, and the third press shuts jets pump1 off. The JETS 2 button activates jets pump 2. The first press activateshigh speed, the second press turns jets pump 2 off. When manuallyactivated, either pump will automatically turn off after 20 minutes.10.3 light on/off buttonPressing this button activates the waterfall, footwell light,lighted cup holders, backlit pillows and optional exteriorlights in unison as follows: high - medium - low - off.note: Lights automatically turn off after 2 hours.1.2.3.25