4
vacon • 14
Layout and connections
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
4.2
LED Indications
Figure 2. Option board LED indicators
The table below lists possible LED combinations and their meanings. When the EtherNet/IP is
active, the option board follows CIP standard for LED indications. Therefore, the indications
described in Table 8 do not apply. See Chapter 9.1.4 "LED functionality".
Table 8. List of possible LED combinations
A
LED indications
LED combinations
Description
No power. All LEDs are OFF.
Option board firmware is corrupted or its software is missing.
ER is blinking (0.25s ON / 0.25s OFF)
Option board failure. Option board is not operational. BS is red
and ER is possibly blinking (2.5s ON / 2.5s OFF)
Option board is operational.
Protocol is ready for communications. RN is blinking (2.5s ON /
2.5s OFF).
RN ER BS
A
1
2
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Summary of Contents for optea
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