Lenze 8210 series - Manual (Page 60)

Troubleshooting and fault elimination
8-2 UONu_^MPMQ
L
8.1.3 Maloperation of the drive
Maloperation Possible causes
Motor does not rotate 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
Motor does not rotate
smoothly
D Defective motor cable
D Maximum current C022 and C023 too low
D Motor underexcited or overexcited (check parameter setting)
Current consumption of
motor too high
D Setting of C016 too high
D Setting of C015 too low
D C088 and C091 are not adapted to the motor data.
8.2 Fault analysis using the history buffer
D qЬЙ Ьблнзку ДмССЙк бл млЙЗ нз нк~ЕЙ С~ìäíëK qЬЙ С~мдн гЙлл~ЦЙл
~кЙ лнзкЙЗ бе нЬЙ Ьблнзку ДмССЙк бе нЬЙ зкЗЙк зС нЬЙбк
çÅÅìêêÉåÅÉK
D qЬЙ Ьблнзку ДмССЙк Ь~л Q гЙгзку дзЕ~нбзел пЬбЕЬ Е~е ДЙ
~ЗЗкЙллЙЗ об~ ÅçÇÉëK
Structure of the history buffer
Code C0168 Entry Note
C161 Memory locations 1 Active fault If the fault is no longer active or has been
acknowledged:
C162 Memory location 2 Last fault
acknowledged:
D
The contents of the memory locations 1-3
will be saved in a ”higher” location
C163 Memory location 3
Last but one
fault
will be saved in a ”higher” location.
D The contents of the memory location 4 will
be eliminated from the history buffer and
cannot be read any longer
C164 Memory location 4
Last but two
fault
y
cannot be read any longer.
D Memory location 1 will be deleted (= no
active fault).
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