Lenze EVS9332xS - Manual (Page 322)

Troubleshooting and fault elimination
Troubleshooting
Status display via controller LEDs
9
9.2
9.2.1
l
9.2−1 EDSVS9332S EN 6.0−07/2013
9.2 Troubleshooting
A breakdown can be detected quickly via the LEDs at the controller or via the
status information at the keypad.
Analyse the error using the history buffer. The list of fault messages gives
you advice how to remove the fault. (
¶ 9.3−1)
9.2.1 Status display via controller LEDs
During operation the operating status of the controller is shown by 2 LEDs.
LED Operating status
Red  Green ‚
Off On Controller enabled
On On Mains switched on and automatic start
inhibited
Off Blinking
slowly Controller inhibited
Blinking
quickly Off Undervoltage or overvoltage
Blinking
slowly Off Fault active
9.2.2 Fault analysis with the history buffer
The history buffer can be used to trace faults. The fault messages are stored
in the 8 memory locations in the order of their occurrence.
ƒ Open the Diagnostics dialog box in the parameter menu.
„
†
‡
ˆ
‰
‚

ƒ
9300std230
Fig. 9.2−1 "Diagnostics" dialog box
Field
History buffer
location
Entry Note
 ‚ ƒ 1 Active fault If the fault is no longer pending or has
been acknowledged:
l The content of memory units 1 7 is
2 Last fault
Detecting breakdowns
Analysing errors