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J-300 Series
Your spa has a self-diagnostic control system. The system will
automatically display the following if a problem is detected.
14.1 Summer Logic
When the actual spa water temperature reaches 2°F
(1°C) above the set temperature, the spa goes into
“summer logic.” The 24-hour circulation pump will turn off
automatically to avoid adding additional heat to the water,
eventually creating an overheat condition. This setting is
not user-programmable.
Note: Summer logic does not take effect until the spa water temperature
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 minimize operating costs.
14.2 Panel Displays COL
Cool Condition - Temperature has dropped 20°F (11°C)
below the current set temperature. Jets pump 1 and the
heater have been activated to bring the temperature within
15°F (8°C) of the set temperature. No corrective action is required!
Note: This condition is common during rst time ll ups or during rells
since tap water is often very cold.
14.3 Panel Displays ICE
Freeze Protection - A potential freeze condition has been
detected. No action is required. Jets Pump 1 and heater
will activate to circulate and warm water through the plumbing until spa is
out of danger. See “Winterizing” (page 35).
14.4 Panel Displays SN1
Open sensor (heater is disabled) or shorted sensor (spa
is deactivated). The high-limit temperature sensor is not
functioning. Contact your authorized Jacuzzi dealer or
qualified service technician.
14.5 Panel Displays SN2
Open or shorted sensor (heater disabled). The
temperature sensor is not functioning. Contact your
authorized Jacuzzi dealer or qualied service technician.
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