Jacuzzi J - 470 - Manual (Page 81)

Page 75
J-400 Series
10. Shorted sensor: The hi-limit temperature sensor is not functional.
Heater is disabled. This must be repaired only by a qualified
authorized service organization or service technician.
11. Start-up malfunction: Flow switch is non-functional. Closed or
shorted flow switch on system start-up (system disabled). This
must be repaired only by an authorized dealer or qualified service
organization.
12. Open Flow Switch: (Heater is deactivated. The filter/circulation may
also be deactivated). The flow switch is malfunctioning open, the
circulation pump’s filter cartridge is excessively dirty, or an air lock
condition has occurred at the circulation pump intake. Contact your
authorized dealer or service organization.
13. Closed Flow Switch: (Heater is deactivated. The filter/circulation
may also be deactivated). The flow switch is malfunctioning closed.
Contact your authorized dealer or service organization.
14. Audio Communication Malfunction: Communication between the
control panel and audio system is faulty. Shutdown power to the
spa, wait 3 seconds and restart the spa to reset the communication.
Contact your authorized dealer or service organization.
15. Blinking Heater icon: This icon will blink on and off to indicate that:
• The temperature sensor is sensing a -20 ºF/6 ºC
difference between the actual and set temperature or;
• The temperature sensor is sensing a temperature
above 112 ºF/44 ºC or the hi-limit temperature sensor is
sensing a temperature above 116 ºF/46 ºC.
16. Extended Temperature Activated:
The spa is set to go up to 104 ºF
(40 ºC), but it can be set to reach
106 ºF (41 ºC). To access the
extended temperature you must
press the “Up” button and the
button D (on the Quad keypad) at the same time for 2
seconds. The system will now allow you to raise the
temperature to 106 ºF (41 ºC) and the LCD display will read
“eXtenDeD teMPerature aCtivateD” (see Figure A). To
clear this message, just press the Down button on the Quad Keypad
to lower the temperature below or back to 104 ºF (40 ºC).
D
C
B
A
106
F Temp.
6:45 PM
Extended Temperature
Activated
Figure A