Maloperation Of The Drive; Fault Analysis Using The History Buffer - Lenze 8200 series Operating Instructions Manual

Troubleshooting and fault elimination
8.1.3

Maloperation of the drive

Maloperation
Motor does not rotate
Motor does not rotate
smoothly
Current consumption of
motor too high

8.2 Fault analysis using the history buffer

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Structure of the history buffer
Code
C161 Memory locations 1 Active fault
C162 Memory location 2
C163 Memory location 3
C164 Memory location 4
UOMu_^MVMO
8-2
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Possible causes
D DC-bus voltage too low
(red LED is blinking every 0.4 s; message LU is displayed)
D Controller inhibited
(green LED is blinking, display of the operating module: OFF,
STOP or AS_LC)
D Setpoint = 0
D DC braking active
D Quick-stop function active
D JOG setpoint activated and JOG frequency = 0
D Fault is indicated (see chapter 8.3 )
D Mechanical motor brake is not released
D Defective motor cable
D Maximum current C022 and C023 too low
D Motor underexcited or overexcited (check parameter setting)
D Setting of C016 too high
D Setting of C015 too low
D C088 and C091 are not adapted to the motor data.
C0168 Entry Note
If the fault is no longer active or has been
acknowledged: acknowledged:
D The contents of the memory locations 1-3 will be
Last fault
saved in a "higher" location. saved in a "higher" location
Last but one fault
D The contents of the memory location 4 will be
eliminated from the history buffer and cannot be eliminated from the history buffer and cannot be
Last but two fault
read any longer.
D Memory location 1 will be deleted (= no active fault).
y