Troubleshooting And Fault Elimination; Troubleshooting; Status Display Via Controller Leds; Fault Analysis With The History Buffer - Lenze 8200 vector Instructions De Montage

8

Troubleshooting and fault elimination

8.1

Troubleshooting

Detecting breakdowns
A breakdown can be detected quickly via the LEDs at the controller or via the status
information at the keypad.
Analysing errors
Analyse the error using the history buffer. The list of fault messages gives you advice how
to remove the fault. (¶ 186)
8.1.1

Status display via controller LEDs

During operation the operating status of the controller is shown by 2 LEDs.
LED red 
Off
On
Off
Off
Blinking quickly
Blinking slowly
8.1.2

Fault analysis with the history buffer

Retracing faults
Via the history buffer you can retrace faults. Fault messages are saved in the 4 memory
locations in the order of their occurrence. The memory locations can be called via codes.
Structure of the history buffer
Code Memory location
C0161 History buffer location 1 Active fault
C0162 History buffer location 2 Last fault
C0163 History buffer location 3 Penultimate fault
C0164 History buffer location 4
EDK82EV903 DE/EN/FR 5.1
Troubleshooting and fault elimination
LED green ‚
Operating status
On Controller enabled
On Mains switched on and automatic start inhibited
Blinking slowly Controller inhibited
Blinking quickly Motor parameter identification is carried out
Off Undervoltage or overvoltage
Off Fault active, check in C0161
Entry
Third from last
fault
l
Troubleshooting
Status display via controller LEDs
Comment
If the fault is no longer pending or has been
acknowledged:
l
The contents of memory locations 1 ... 3 are shifted
one memory location "higher".
l The contents of memory location 4 are no longer
included in the history buffer and cannot be called
anymore.
l
Memory location 1 is deleted (= no active fault).
8
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