99
Fault Cause
Remedy
GroundFault(L) Occurswhen:Groundfault
currentexceedstheinternal
groundfaultlevelvalue.
EnsureMotorandVFDaregrounded
pertheinstallationguide.
Disconnectmotorwiresfrom
packageandChecktheou tput
wiringandinsulationofmotor
windingswithMeggertester.
BypassMotor
Overload
TheBypassMotorOverload
protectionprovidesmotor
overloadprotectionwhenin
Bypassmodeonly.Ifthe
motorpullsmorecurrent
thansetmotorFLA,itwilltrip
basedonselectedtripclass
topreventmotordamage.
CheckFLA,TripClass,
Checkifmotorisoverloaded
BypassPhaseLoss Thebypassdidnotsee
currentinoneormoreofthe
phases.
Checkwiringpassingthroughthe
bypasscurrentsensorsforloose
connections.
BypassBoardError Thebypassboarderrorisa
“hardfault”andrequiresthat
theboardbepowercycledto
clearit.
IfPowercycledoesnotclearthe
fault,pleaseconsultfacto ry
BypassStall TheStallfaultoccurswhen
thecurrentexceeds300%of
setFLAfor0.5secandthe
currentslopeisnot
decreasing.(Notactive
duringstartup).
CheckFLAsettings.
Checkifmotorisoverloaded.
Checkformechanicalissues(bad
bearings,badgearsorbelts)
IfnothinghelpsAdjuststalllevel
higher.(Defa
ultis300%)
BypassMaxTimeto
Start
Amaxtimetostarttrip
occursifthemotorcurrent
hasnotdecreasedbelowFLA
10secondsafterstart.
CheckthatyourFLAsetti ngin
PRIMARY‐04matchesthemotor
nameplate
Checkthemotorandsystemfor
mechanicalissues
Checkyourdipswitchsettings
Checkpowerwiringforloo
se
connection.
BypassGroundFault AGroundFaultoccurswhen
bypassmoduledetermines
thatthereisamotorground
leakcurrent.
Disconnectmotorleadsfrombypass
packageandtestinsulationwith
Megger
IfMeggerreadingshowslow
insulation,checkmotorwiringand
motorjunctionboxfordamaged
wireinsulationandmoisture