53J-30014.9 Panel Displays FL--1An “FL--1” display means the flow switch is malfunctioningopen, the filter cartridge is excessively dirty or an “air lock”condition has occurred at the circulation pump intake. The spa heater willdeactivate and jets pump #1 may also deactivate. Contact yourauthorized Jacuzzi dealer or qualified service technician. The display willalternate between “FL--1,” scrolling message “FLOW ERROR OPEN”and the current water temperature.14.10 Panel Displays FL--2An “FL--2” display means the flow switch is malfunctioningclosed. The spa heater will deactivate and jets pump #1 mayalso deactivate. Contact your authorized Jacuzzi dealer or qualifiedservice technician. The display will alternate between “FL--2,” scrollingmessage “FLOW ERROR CLOSED” and the current water temperature.14.11 Panel Displays OHWARNING: RISK OF HYPERTHERMIA (OVER-HEATING)CAUSING SEVERE INJURY, BURNS, OR WELTS.!Water temperature is above acceptable limits. DO NOTENTER SPA! Water temperature has reached 112°F (44°C).The circulation pump has activated to circulate water throughheater. Contact your authorized Jacuzzi dealer or qualified servicetechnician. The display will alternate between “*OH*” and the currentwater temperature.Note: As a safety measure, the red lights of the spa will flash on and offas an indication that the spa is an overheat condition.To correct condition:• Remove the spa’s cover and allow your spa to cool down.• Program the heater settings for Economy Mode (page 34). Raisewater temperature setting to cancel Summer Logic condition (page51).• If the condition persists, contact your authorized Jacuzzi dealer.14.12 Panel Displays (-- -- -- --)WARNING: RISK OF HYPERTHERMIA (OVER-HEATING)CAUSING SEVERE INJURY, BURNS, OR WELTS.!Water temperature is above acceptable limits. DO NOTENTER SPA! The safety “Watchdog” software has beentriggered and the spa is deactivated. A problem has beendetected which could cause damage to the spa or its components. Thedisplay will alternate between “-- -- -- --” and the scrolling message“WATCHDOG CALL FOR SERVICE” as long as the error exists.Contact your authorized Jacuzzi dealer or qualified service technician.Note: As a safety measure, the red lights of the spa will flash on and offas an indication that the spa is in watchdog condition.