Franklin Q-link - Page 101

101

Fault Cause
 Remedy
LimitSwitch Occurs when: TheDamper
Switchinputisnotdetected
withinanadjustabletime
delay(VFD‐07)whenusing
DamperMode(VFD‐06).

 EnsureaDamperswitchisbeing
usedandwiredtoappropriate
DigitalInputsetforDamperSwitch.
EnsuretheDamperTimeDelay
(VFD‐07)issettoalongertimethan
itnormallyta
kestoopenthe
DamperandclosetheDamper
Switch.
DamperOverload(L) Occurswhen: TheDamper
currentexceeds0.5A
 EnsureratingoftheDamperMotor
doesnotexceed0.5A
 EnsureDamperisnotblockedor
stuckandisfree‐moving.
NoFlow(L) Whenflowswitchisopen
fortimedelayduringno
flowconditioninVFDrun
mode,VFDwilltrip.

 Checkiftimedelayisnotlong
enoughtoprovideflowduringstart
 Checkifthereisasuctionpressure
orwaterinwell.
 Checkifpumpdidnotfail
‐ExternalTrip(M)

Occurswhen:anydigital
inputsetforEXTTRIPis
activated.
 Resolvereasonforexternaltrip
signal.
 Disconnecttripsignalconnectionto
digitalinput.
PowerBoardError
(M)
Indicatesaproblemwiththe
powerboard.
 Consultfactory

ControlBoardError
(M)
Indicatesaproblemwiththe
firmware.Whenithappens,
thecontrolboardreboots
andthisfaultsimmediately.
 Consultfactory

VFDCoolingFan(L) Faniseitherunplugged,
damaged,orhasslowed
downsignificantly
 Checkit’spluggedin,cleanit,or
replaceit.Fanisratedat3800RPM
andthefaulttriggersbelow2280.

PowerBoard
CommunicationsError
(M):

 Consultfactory

Overpressure(A) Occurswhen:System
pressureexceedsover
pressuretriplevelsetting.

 Checkoverpressurelevelin:
Primary‐64
 Canbecausedbypressure
overshootingbecauseP‐Gainsetting
istoohigh.DecreaseP‐Gainvalueif
necessary.
 Checkifpumpisoversizedforthe
applicationanddemandchanges
rapidly.
BMSCommunications
Loss(A)
Occurswhen:RunCommand
SourceorSpeedSourceisset
toComms,andthesignalis
notdetected
 CheckwiringandsignalfromBMS
systemtoVFD
 VerifythatBMSissendingproper
runcommandand/orspeedsignal
