Vacon NXP series - Page 70

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vacon • 68 Descriptions of VACON® option boards
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
OPTBB option board status LEDs
Yellow LED
Green LED
LED Meaning
OFF Option board not activated
ON
Option board in initialisation state waiting for activation
command from the AC drive
Blinking fast
(once/sec)
Option board is activated and in RUN state
• Option board is ready for external communication
Blinking slow
(once/5 s)
Option board is activated and in FAULT state
• Internal fault of option board
LED Meaning
OFF
Option board not activated
ON
Encoder is being initialised
Option board is reading encoder parameters
Blinking fast
(once/s)
Encoder detected by option board
Option board receives data from encoder
Blinking slow
(once/5 s)
Encoder detected by option board
Option board cannot read encoder data or data is invalid
(CRC error, broken cable etc.)