Jacuzzi J-270 User Manual

The spa control system has automatic functions that operate upon 

start-up and normal operation to protect the system. Upon power up, the 

readout displays the following information:
1.  Control panel displays current software 

release (3.57 or 5.57 depending on spa 

model) then;

2.  Control panel displays “888” and all indica-

tor LEDs are lit, permitting visual inspection 

of all display segments and indicator lights 

for proper operation.

3.  After the initial start-up sequence ends, the 

actual water temperature is displayed. If 

water temperature at this time is less then the factory default tem-

perature setting of 100°F (38°C) and the spa is set to either standard 

filtration/heating mode (Sections 11.1-11.2, page 28), the heater will 

turn on and run until the water temperature rises to the factory set-

ting, then turn off. 

note: It is common for the heater to turn on after the spa is first filled 

because tap water is often very cold.
10.1  setting water Temperature 

The spa’s thermostat provides optimum control of water 

temperature. The temperature set point (set temperature) 

can be adjusted from 65-104°F (18-40°C). To raise the set 

temperature, press the WARMER ( ) button. To lower 

the set temperature, press the COOLER ( ) button. The first press of 

either WARMER ( ) or COOLER ( ) button displays the set 

temperature. To access the overtemp feature 

that allows the spa to reach 106°F (41°C) 

follow the steps below (Figure 1). 

A.  Press and hold the WARMER (   ) button 

then;

B.  Press and hold the JETS 1 ( 

1

 ) button at 

the same time for 2 seconds. You will see 

the temperature rise to 106°F (41°C) on the LED display. To lower the 

temperature, press the COOLER (   ) button.

C.  When the overtemp feature has been activated, the white decimal 

point after the last digit will flash on and off every second as an 

indicator for being in the overtemp mode.

note: Once the temperature goes below 104°F (40°C) and you would 

like to raise the temperature to 106°F (41°C) again, you will have to 

repeat the steps above.

The control panel JETS 1 button activates jets pump 1. The first press 

activates low speed, the second press activates high speed, and the third 

press shuts jets pump 1 off. The JETS 2 button activates jets pump 2. 

1

2

Figure 1

26