INTHISCHART
NC71AUTESTANDRESULTSCHART
COMPONENT WORKINGRANGE SYMPTOM(S)/RESULT(S)OFDEFECTIVECOMPONEN
ADDITIONALINFORMATION
POWERSUPPLY 29‐32Vdc CLEANERWILLBEDEADINWATE
CABLE 26‐29Vdc CLEANERWILLBEDEADINWATER MAKESURETOTESTTHECABLEWHILEPUMPMOTORISRUNNING
PUMPMOTORWILLTURN1/4ROTATIONATATIME VOLTAGEDROPISNOTVISIBLEBECAUSEPUMPWILLNOTRUNLONGENOUGH
IFVOLTAGEDROPTHROUGHCABLEISGREATERTHEN4Vdc PUMPMOTORWILLRUNBUTDRIVEMOTORWILLNOT
THENTHECABLEISSUSPECT PUMPMOTORWILLRUNBUTONLYONESIDEOFDRIVEMOTORWILLTURN CLEANERWILLSPININCIRCLESDURINGOPERATION
CLEANERWILLRUNSLUGGISHLY/MAYNOTCLIMB
CLEANERWILLFLOATORRIDEONBACKWHEELS
PUMPMOTOR 26‐29Vdc CLEANERWILLBEDEADINWATER
GENERALLYIFTHEPUMPMOTORRUNSTHENTHEPUMP PUMPMOTORWILLRUNBUTDRIVEMOTORWILLNOT PUMPMOTORISALSOTHEPROCESSOROFTHECLEANER
MOTORISOK(DOESNOTMEANPROCESSORISOK) CLEANERWILLNOTRUNAFULLCYCLE
PUMPMOTORCONTROLSTHECYCLETIMEOFTHECLEANE
DRIVEMOTOR USETESTCABLETOCHECKCOMPONENTOPERATION PUMPMOTORWILLRUNBUTDRIVEMOTORWILLNOT
PUMPMOTORWILLRUNBUTONLYONESIDEOFDRIVEMOTORWILLTURN
CLEANERWILLSPININCIRCLES
CLEANERWILLSTARTBUTSHUTDOWNCOMPLETELYWHENDRIVEMOTORTURNSON SIGNOFPOSSIBLEWATERENTRY
TRACKS 0.09‐0.22AMPS CLEANERWILLRUNSLUGGISHLY/MAYNOTCLIMB THISISTYPICALLYSEENDIRECTLYOUTOFTHEBOX
CLEANERWILLSPININCIRCLES BESURETOELIMINATEOTHERPOSSIBILITIES(CABLE/DRIVEMOTOR)
PUMPMOTORWILLRUNBUTDRIVEMOTORWILLNOT BESURETOELIMINATEOTHERPOSSIBILITIES(CABLE/DRIVEMOTOR)
BEARINGMAYBESEIZEDINDRIVEPULLEY(S) SMALLSANDLIKEMATERIALWILLBEPRESENTINBEARINGS
DRIVEMOTORWILLSTOPROTATINGWHELITTLER
ESISTANCEISAPPLIED THISMAYALSOBEADEFECTIVEDRIVEMOTOR(REMOVETRACKANDTESTDRIVE
*THESERESULTSANDSYMPTOMSAREISSUESTHATARETYPICALLYFOUNDTOCAUSEFAULTWITHTHECLEANERANDITSCOMPONENTS.NOTALLFAULTSMAYBECOVERED