•
•
Table 22: FS = Fieldbus Status
LED status
Description
OFF
Protocol is not communicating
ON (green)
Protocol is communicating
Table 23: LED Combinations
PS
BS
FS
Description
OFF
OFF
OFF
No power. All LEDs are OFF
Green blinking (fast)
OFF
OFF
Option board firmware is corrupted or missing.
OFF
Green
OFF
Option board is operational
Yellow blinking (1 s
ON / 1 s OFF)
Green
OFF
Protocol is ready for communications.
Green
Green
Green Protocol is communicating. The option board is receiving requests from the PLC
master and sending responses to the requests.
Yellow blinking
Red blink-
ing
OFF
Protocol communication fault. BS is blinking to indicate a fault. PS is blinking to
indicate that protocol is ready for communications.
7.3 LED Indications on OPTC2/C8 and OPTCJ Option Boards
The LED indications are the same on OPTC2/C8 and OPTCJ option boards.
2
3
4
5
1
e3
0b
i1
76
.1
0
BS
FS
Illustration 48: LED Indications on VACON
®
OPTC2/C8 and OPTCJ Option Boards
BS
Board status, YELLOW
FS
Fieldbus status, GREEN
Table 24: BS = Board Status, Yellow
LED status
Description
OFF
Option board not activated
ON
Option board in initialization state waiting for activation command from the AC drive
Blinking fast (once per s)
Option board is activated and in RUN state
Option board is ready for external communication
Blinking slow (once per 5 s)
Option board is activated and in FAULT state
Internal fault of option board
AN338644703080en-0002 / DPD02156 | 57
Danfoss A/S © 2022.08
Troubleshooting
VACON® RS485 and CAN Bus Option Boards
Installation Guide
Summary of Contents for VACON OPTE3
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