36Y Series TechBookHave any errormessages (FLO,OH, HL etc.)appeared onkeypad display?yesno Verify if low-levelprogramming is setproperlyDoes the Pump 1indicator appearon the keypaddisplay when youpress the Pump1 key?Refer to specificsection indicatedby error message.yesnoReplacekeypadno ReplacePump 1 fuseIs there still aproblem?Is Pump 1workingin eitherspeed?yesIf still notworkingreplacespa packnoMeasurevoltage onthe boardfor bothspeedsDo youget a 240V reading(or 120 Vfor a 120V pump)for bothspeeds?Problemsolvedyes noReplacePump 1 ifneededReplacespa packyesIf Pump 1 is not working,follow this troubleshooting flow chart:98Pump 1 does not work!• Check for an errormessage on keypaddisplay If there is one,refer to the specific sec-tion indicated by theerror message• Verify low-levelprogrammingconfiguration• If the Pump 1 indicator does not appear, use a sparekeypad to verify if keypad is defectiveIf it is, replace keypadIf not, replace spa pack• If Pump 1 indicator appears when Key 1 is pressed,verify if pump works in either speed• Verify if the Pump 1indicator appears onkeypad display whenyou press Key 1Pump 1 doesn't work / flow chart & step-by-stepFlow chartStep-by-StepTroubleshootingCheckwiring andplugsReplace ifneeded