Lenze EVF8202-E User Manual

Troubleshooting and fault elimination
8-4 820XBA1097
Display RemedyCauseFault
OH Heatsinktemperatureis
higherthanthevalueset
inthecontroller
Ambienttemperature
T
amb
>+40  Cor+50  C
- Allowcontrollertocoolandensure
ventilation
- Checktheambienttemperaturein
thecontrolcabinet
Heatsinkverydirty Cleanheatsink
Incorrectmountingposition Changemountingposition
OH3 PTCmonitoring
Motortoohotbecauseof
excessivecurrentorfrequentand
toolongacceleration
Checkdrivedimensioning
PTCnotconnected ConnectPTCorswitchoffmonitoring
(C0585=3)
OH4 Overtemperatureunit Insideunittoohot - Reducecontrollerload
- Improvecooling
- Checkfaninthecontroller
OU Overvoltage
Mainsvoltagetoohigh Checkvoltagesupply
OU Overvoltage
Feedbackoperation
Brakingoperation
- Increasedecelerationtimes.
- Foroperationwithbrakechoppers:
-Checktheselectionand
connectionofthebrakeresistor
-Increasethedecelerationtimes
Earthleakageonthemotorside Checkmotorcableandmotorforearth
fault(disconnectmotorfrominverter)
OUE Overvoltage Mainsovervoltagelongerthan5s Checkmainsvoltage
rSt Faultyauto-TRIPreset Morethan8faultmessagesin
10minutes
Dependsonthefaultmessage
Pr Faultyparametertransfer
viatheoperatingmodule
PAR1andPAR2aredefective.
Itisabsolutelynecessarytorepeatthe
datatransferorloadthefactory
settingbeforeenablingthecontroller.
Pr1 FaultyPAR1transfervia
theoperatingmodule
PAR1isdefective.
datatransferorloadthefactory
settingbeforeenablingthecontroller.
Pr2 FaultyPAR2transfervia
theoperatingmodule
PAR2isdefective.
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Lenze EVF8202-E Specifications

General

Brand	Lenze
Model	EVF8202-E
Category	DC Drives
Language	English