Hot tub error codes, decoded
Type the code on your topside panel to see what it means, the most likely causes in order, and what to try before you call anyone. Covers Balboa, Gecko, Hot Spring / Watkins, Hydro-Quip, Jacuzzi / Sundance control systems.
General guidance only. Follow your manufacturer's instructions and product labels.
Balboa error codes
--Heads-upTemperature not yet knownVS / GS and BP seriesCHEK PHHeads-upMaintenance reminderBP series (TP400, TP600, TP800, TP900, spaTouch panels)CLN FLTRHeads-upFilter reminderBP series (TP400, TP600, TP800, TP900, spaTouch panels)CNFG FAILStop using the tubConfiguration errorBP series (TP400, TP600, TP800, TP900, spaTouch panels)drFix soonHeater may be dryVS / GS series (M7 heater)dryStop using the tubHeater is dryVS / GS series (M7 heater)EcnHeads-upEconomy modeVS / GS seriesFLOFix soonLow water flowOlder Balboa and VS / GS systems that use a pressure switchGFCI FAILStop using the tubGFCI test failedBP series (TP400, TP600, TP800, TP900, spaTouch panels)HFLFix soonHeater flow reducedVS / GS series (M7 heater)HOT FALTStop using the tubHot fault at last power-upBP series (TP400, TP600, TP800, TP900, spaTouch panels)HTR DRYStop using the tubHeater is dryBP series (TP400, TP600, TP800, TP900, spaTouch panels)HTR FLOW FAILFix soonHeater flow failedBP series (TP400, TP600, TP800, TP900, spaTouch panels)HTR FLOW LOSSFix soonHeater flow reducedBP series (TP400, TP600, TP800, TP900, spaTouch panels)HTR MAY BE DRYFix soonHeater may be dryBP series (TP400, TP600, TP800, TP900, spaTouch panels)HTR TOO HOTStop using the tubHeater overheatBP series (TP400, TP600, TP800, TP900, spaTouch panels)ICEHeads-upFreeze protection activeVS / GS seriesLFFix soonPersistent low flowVS / GS series (M7 heater)MEM FAILStop using the tubProgram memory failureBP series (TP400, TP600, TP800, TP900, spaTouch panels)MEM RSETHeads-upSettings were resetBP series (TP400, TP600, TP800, TP900, spaTouch panels)NO COMMFix soonPanel communication errorBP series (TP400, TP600, TP800, TP900, spaTouch panels)OHStop using the tubHeater overheatVS / GS seriesOHSStop using the tubSpa water too hotVS / GS seriesPrHeads-upPriming modeVS / GS and BP seriesSLPHeads-upSleep modeVS / GS seriesSnAFix soonSensor A faultVS / GS seriesSnbFix soonSensor B faultVS / GS seriesSnSFix soonSensors out of balanceVS / GS series (M7 heater)SNSR AFix soonSensor A or B faultBP series (TP400, TP600, TP800, TP900, spaTouch panels)SNSR BALANCEFix soonSensors out of syncBP series (TP400, TP600, TP800, TP900, spaTouch panels)SNSR SYNCFix soonSensor sync faultBP series (TP400, TP600, TP800, TP900, spaTouch panels)STUK PUMPStop using the tubPump may be stuck onBP series (TP400, TP600, TP800, TP900, spaTouch panels)TOO COLDHeads-upFreeze protection activeBP series (TP400, TP600, TP800, TP900, spaTouch panels)WATER TOO HOTStop using the tubSpa water too hotBP series (TP400, TP600, TP800, TP900, spaTouch panels)
Gecko error codes
AOHFix soonEquipment bay too hotin.xe / in.ye / in.yt packsFLCFix soonFlow switch stuck closedin.xe and MSPA / SSPA packsFLOFix soonNo water flow detectedin.xe / in.ye / in.yt and MSPA / SSPA packsHLStop using the tubHigh limit trippedin.xe / in.ye / in.yt and MSPA / SSPA packsHrFix soonInternal hardware errorin.xe / in.ye / in.yt and in.xm packsOHStop using the tubSpa water overheatin.xe / in.ye / in.yt packsPrrFix soonTemperature probe problemin.xe / in.ye / in.yt and MSPA / SSPA packsUPLFix soonNo configuration softwarein.xe / in.ye / in.yt packs
Hot Spring / Watkins error codes
Power and Ready lights blinkingFix soonLow flow through heaterHot Spring spas with Power and Ready indicator lightsPower light blinkingFix soonHeater high limit trippedHot Spring spas with Power and Ready indicator lightsReady light blinkingFix soonTemperature sensor problemHot Spring spas with Power and Ready indicator lights
Hydro-Quip error codes
Jacuzzi / Sundance error codes
--Stop using the tubWatchdog shutdownJacuzzi J-300 / J-400 and similar Sundance panelsCOOLHeads-upWater 20°F below setJacuzzi and Sundance spas with LED or LCD panelsFL1Fix soonNo flow detectedJacuzzi J-300 / J-400 and later Sundance seriesFL2Fix soonFlow switch stuck closedJacuzzi J-300 / J-400 and later Sundance seriesFLOFix soonFlow switch problemJacuzzi and Sundance spas with LED or LCD panelsHOLDHeads-upPanel buttons locked outJacuzzi and Sundance spas with LED or LCD panelsICEHeads-upFreeze protection activeJacuzzi and Sundance spas with LED or LCD panelsOHStop using the tubOverheat protectionJacuzzi and Sundance spas with LED or LCD panelsSn1Fix soonHi-limit sensor faultJacuzzi and Sundance spas with LED or LCD panelsSn2Fix soonTemperature sensor faultJacuzzi and Sundance spas with LED or LCD panels