Delta MS300 Series User Manual page 664

15-6 CANopen LED Function
There are two CANopen flash signs: RUN and ERR.
RUN LED:
LED Status
OFF Keep lighting off
Blinking
Single
Flash
Keep lighting on
ON
ERR LED:
LED Status
OFF
At least one CANopen packet failure
Single
Flash
Guarding failure or heartbeat failure
Double
Flash
SYNC failure
Triple
Flash
Bus off
ON
Condition
Condition / Status
No Error
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Chapter 15 CANopen OverviewMS300
CANopen Status
Initial
Pre-operation
Stopped
Operation