26CODE MESSAgEhl high limit circuit has tripped!FlO No Flow condition for more than 2 hoursFlO No Flow conditionhR A hardware error was detected (Relay stuck)Oh Spa temperature is too highPr temp probes or detection circuit are defectiveAOh Elevated internal temperatureFlC the pressure switch is closedSP in Input voltage issueRh NC Comm error between inxm2 - inthermRh ID inxm2 and intherm incompatibleSC ER Error detected during the learning modeF1 inxm2 Fuse # 1 is blownF2 inxm2 Fuse # 2 is blownF3 inxm2 Fuse # 3 is blownER1 SwimSpa config : slave unit is missinghr hardware error was detected (thermal fuse)uPl the spa pack does not have valid softwarePlease insert valid instick to reprogram spa packCFlO No Flow conditionhIBr Add fresh water to the spahiBr Add fresh water to the spaloBr Add BromiCharge to spa waterNoBr Add BromiCharge to spa waterComm verify cable connectionsSupp Connect power cord to 240 v sourcethe list below shows the different error messages that can appear on the home screenRefer to the troubleshooting and error codes section of the techBook for your spa pack systemPlease note that if you are in swim spa configuration, the message may be followed by a Master or Slaveto designate from which pack the error is comingError messages