Troubleshooting and fault elimination
Troubleshooting
Status display (LED’s on the controller)
9
9.2
9.2.1
9.2-1
EDSVF9333V EN 3.0-06/2005
9.2 Troubleshooting
The controller LED’s and the status information at the keypad immediately
indicate errors or operation problems.
You can analyse an error using the history buffer. The list “Error messages”
helps you to eliminate the error. ( 9.4-5)
9.2.1 Status display (LED’s on the controller)
During operation, the operating status of the controller is indicated by
means of two LED’s.
LED Operating status
red c green d
Off On Controller enabled
On On Mains is switched on and automatic
start is inhibited
Off Blinking
slowly
Controller inhibited
Off On Motor data identification is being
performed
Blinking
quickly
Off Undervoltage
Blinking
slowly
Off Active fault
9.2.2 Error analysis with the history buffer
Faults can be retraced via the history buffer. Fault messages are stored in the
8 memory locations in the order of their appearance.
The memory locations can be retrieved via codes.
Detecting failures
Analysing errors
Retracing faults
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