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an overheat condition. This setting is not user-programmable.
Note: The summer logic does not take effect until the spa water tempera-
ture reaches 95 °F (35 °C). This condition is more likely in excessively hot
weather. Remember, the spa’s ability to cool is directly affected by the
ambient temperature. An excessively hot ambient temperature may prevent
the spa from cooling down because it’s fully insulated construction is
designed to retain heat and to minimize operating costs.
13.2 Overheat Condition
WARNING! DO NOT ENTER HOT TUB WATER! Water is
too hot. Overheat protection. Heater is deactivated. Spa water
temperature is above acceptable limits. When the actual water
temperature is approximately 2 °F (1 °C) above the set temperature, the
circulation pump will stop operating to reduce (frictional) heating. To cor-
rect condition, remove spa cover to speed cooling (CAUTION! Never leave
spa uncovered when children are present!) If condition persists, con-
tact your authorized Jacuzzi Premium dealer.
There are a number of unique functions designed into your Jacuzzi Premium
spa to protect it from damage and/or aid in troubleshooting. Refer to sec-
tions 13.3-13.9 below for a listing of all possible error messages and their
meanings.
13.3 Panel displays SN1
Open sensor (heater is disabled) or shorted sensor (spa is
deactivated). The high-limit temperature sensor is not function-
ing. Your authorized dealer must repair this.
13.4 Panel displays SN2
Open or shorted sensor (heater disabled). The temperature
sensor is not functioning. Your authorized dealer must repair this
13.5 Panel displays FL1 or FL2
A flashing “FL1” display means the flow switch is malfunction-
ing open, the circulation pump’s filter cartridge is excessively
dirty, or an “air lock” condition has occurred at the circulation
pump intake. A flashing “FL2” display means the flow switch
is malfunctioning closed.
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