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J-300
14.0 Error Conditions/Error Messages
Your spa has a self-diagnostic control system. The system will
automatically display the following if a problem is detected. Always
insist on genuine Jacuzzi replacement parts.
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 circulation pump will turn off automatically, if running, 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. “COL” will only appear when the spa is
in Economy mode.
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 42).
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.
14.6 Panel Displays BLB
UV bulb needs to be replaced. The message will ash
between “blb” and the water temperature. The countdown
timer for the UV bulb needs to be reset (page 33). A new UV bulb can
be purchased from a local Jacuzzi dealer.