Lenze Global Drive 8200 Series

Troubleshooting and fault elimination
8-2 820XBA1097
8.1.3 Maloperationofthedrive
Maloperation Possiblecauses
Motordoesnotrotate - DC-busvoltagetoolow
(redLEDisblinkingevery0.4s;messageLUisdisplayed)
- Controllerinhibited
(greenLEDisblinking,displayoftheoperatingmodule:OFF,
STOPorAS_LC)
- Setpoint=0
- DCbrakingactive
- Quick-stopfunctionactive
- JOGsetpointactivatedandJOGfrequency=0
- Faultisindicated(seechapter8.3)
- Mechanicalmotorbrakeisnotreleased
Motordoesnotrotate
smoothly
- Defectivemotorcable
- MaximumcurrentC022andC023toolow
- Motorunderexcitedoroverexcited(checkparametersetting)
Currentconsumptionof
motortoohigh
- SettingofC016toohigh
- SettingofC015toolow
- C088andC091arenotadaptedtothemotordata.
8.2Faultanalysisusingthehistorybuffer
Thehistorybufferisusedtotracefaults.Thefaultmessagesare
storedinthehistorybufferintheorderoftheiroccurrence.
Thehistorybufferhas4memorylocationswhichcanbeaddressed
viacodes.
Structureofthehistorybuffer
Code C0168 Entry Note
C161 Memorylocations1 Activefault
Ifthefaultisnolongeractiveorhasbeen
acknowledged:
C162 Memorylocation2 Lastfault
acknowledged:
- Thecontentsofthememorylocations1-3willbe
savedina”higher”location.
C163 Memorylocation3 Lastbutonefault
savedina”higher”location.
- Thecontentsofthememorylocation4willbe
eliminatedfromthehistorybufferandcannotbe
C164 Memorylocation4
Lastbuttwofault
Thecontentsofthememorylocation4willbe
eliminatedfromthehistorybufferandcannotbe
readanylonger.
- Memorylocation1willbedeleted(=noactivefault).
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