WEG CFW900 - Page 73

English
TROUBLESHOOTINGANDMAINTENANCE
Protection/AlarmDescriptionPossiblecauses
F237:
DeviceNetconnection
timeout
ItindicatesthatoneormoreDeviceNetI/O
connectionshasexpired.
Itoccurswhen,forsomereason,afterthecyclical
communicationbetweenthemasterandtheproduct
hasstarted,thiscommunicationisinterrupted.
-Checkthestatusofthenetworkmaster.
-Checknetworkinstallation,brokencableor
fault/poorcontactontheconnectionswiththe
network.
F249:
ModbusTCPTimeout
Itindicatesthatthedevicestoppedreceivingvalid
telegramsfor aperiodlongerthanthe settingin
C9.6.3.
Thetimecountingstartsassoonasitreceivesthe
firstvalidtelegram.
-Checknetworkinstallation,brokencableor
fault/poorcontactontheconnectionswiththe
network,grounding.
-EnsuretheModbusTCPclientalwayssends
telegramstotheequipmentinatimeshorterthanthe
settinginC9.6.3.
-DisablethisfunctioninC9.6.3.
A345:
IGBTP.UB1HighLoad
AlarmofoverloadonIGBT1ofphaseU.-Highcurrentattheinverteroutput.
F346:
IGBTP.UB1Overload
FaultofoverloadonIGBT1ofphaseU.-Highcurrentattheinverteroutput.
A348:
IGBTP.VB1HighLoad
AlarmofoverloadonIGBT1ofphaseV.-Highcurrentattheinverteroutput.
F349:
IGBTP.VB1Overload
FaultofoverloadonIGBT1ofphaseV.-Highcurrentattheinverteroutput.
A351:
IGBTP.WB1HighLoad
AlarmofoverloadonIGBT1ofphaseW.-Highcurrentattheinverteroutput.
F352:
IGBTP.WB1Overload
FaultofoverloadonIGBT1ofphaseW.-Highcurrentattheinverteroutput.
A354:
IGBTP.UB2HighLoad
AlarmofoverloadonIGBT2ofphaseU.-Highcurrentattheinverteroutput.
F355:
IGBTP.UB2Overload
FaultofoverloadonIGBT2ofphaseU.-Highcurrentattheinverteroutput.
A357:
IGBTP.VB2HighLoad
AlarmofoverloadonIGBT2ofphaseV.-Highcurrentattheinverteroutput.
F358:
IGBTP.VB2Overload
FaultofoverloadonIGBT2ofphaseV.-Highcurrentattheinverteroutput.
A360:
IGBTP.WB2HighLoad
AlarmofoverloadonIGBT2ofphaseW.-Highcurrentattheinverteroutput.
F361:
IGBTP.WB2Overload
FaultofoverloadonIGBT2ofphaseW.-Highcurrentattheinverteroutput.
F600:
PulseUpdateError
FaultrelatedtoupdatingthePWMpulses.-Defectontheinverterinternalcircuits.
F606:
PowerMonitorComm
Lost
CommunicationfaultbetweenAUIandPMON.-Defectontheinverterinternalcircuits.
-Electromagneticinterferenceabovethelevelthe
inverterwithstands.
-Powerboardturnedoff.
F607:
SMMCommLost
CommunicationfaultbetweenPWCandSMM.-Defectontheinverterinternalcircuits.
-Electromagneticinterferenceabovethelevelthe
inverterwithstands.
-Safetyinterfaceboardturnedoff.
F608:
CodeFlowFailure
Internalfaultduringinverteroperation.
Note:
-Resettheinverter.
-Loadthefactorydefault.
-Iftheproblempersists,pleasecontactWEG
assistance.
66|CFW900