
THISDRAWINGISCOPYRIGHTEDAND
ISTHEPROPERTYOFCERTIFIEDPOWERINC. 16
BasicDiagnostics/troubleshooting(commonerrorsandtheirmeanings)
1. ErrorsseenwhileSavingTrims
“SettingnotSaved,MinexceedsMax”,Thisisacommonmessageseenwhilesavingtrims.
Usuallyoccursifsavingaminimumtrimpercentthatisoverthemaximumtrimpercent.Try
settingmaxtrimfirstthensetminimumtrimlast.Theerroralsoappearsifnofeedbackisbeing
receivedfromtheclosed‐loopsensorwhenaSaveisapplied.
“SettingnotSaved,Valveopen”,ThiserrormessageappearswhenSavingtrimsandtheF2
cannotdetectcurrentflowingthroughtheHydraulicvalveelectricalcircuit.Suspectaconnector
orbrokenwirebetweentheF2controlandValvecoilconnectiononthehydraulicvalve.
2. Errorsseenwhilecalibratingground‐speedMPH(SpeedCal)
“GroundSpeedError”,ThiserrorappearsiftryingtoSavea“SpeedCal”andnothavingany
groundspeedsignalpresentattheMPHGroundSpeedinput.Tryadifferent“SpeedType”and
watchforthe“PulsesPerminute”valuetoreflectafrequencyindicatingagoodgroundspeed
signalattheinput.
3. Commonon‐screenoperatingerrors.
“SensorPowerError”,Ifthesensorpowersupplylineisshortedtogroundorhasmorethan
750mA.ofcurrentdrawthesensorpowersupplyfromtheF2isbeingoverloaded.Suspecta
faultyFeedersensororLiquidFlow‐metersensor.Alsosuspectapinchedorcrushedwire,
corrodedconnectororanyfaultthatmaycauseashorttochassisground.
“FeederRatelimited”,IftheFeederisrunningatmaxspeedandthecurrenttargetapplication
rateisNOTbeingmet,thiserrorwilldisplay.Sometimesthiserrorwouldbeindicativeofa
systemthathasnotbeencalibratedorhasbeencalibratedimproperly.Thiserroralsoappliesto
Liquid,andtheSpinner.Thiserrorclearsitselfwhenthetargetrateisbeingmet.
“FeederRateOverrun”,IftheFeederisrunningatitslowestspeedandthecurrenttarget
applicationrateisNOTbeingmet,thiserrorwilldisplay.Sometimesthiserrorwouldbe
indicativeofasystemthathasnotbeencalibratedorhasbeencalibratedimproperly.Thiserror
alsoappliestoLiquid,andtheSpinner.Usuallythiserrorwillonlydisplayatverylowsustained
vehiclespeedsofusually5mphorlessandlowtargetrates.Thiserrorclearsitselfwhenthe
targetrateisbeingmet.
“Sensorfault”and“FeederOverride,ThiserroroccurswhentheF2wasoperatinginclosed‐loop
modeandwasnotreceivingsensorfeedback.TheF2automaticallydefaultsintoopen‐loopafter
thiserroroccurs.Suspectastalledmotororconveyor,dragchainordryorstalledliquidpump.
Thiserroroccursforanyclosed‐loopfunction.Theerrorconditionisclearedwithapowercycle.