Lenze E94AxPExxxx - Manual (Page 338)

10 "CAN on board" system bus
10.3 LED status displays for the system bus
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Lenze · 9400 Servo PLC· Reference manual · DMS 4.0 EN · 11/2013 · TD05/06
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10.3 LED status displays for the system bus
Both upper LEDs LEDs "CAN-RUN" and "CAN-ERR" on the front of the controller inform about the
CANopen state and report CANopen errors.
[10-2] LED status displays CAN-RUN and CAN-ERR
The meaning can be seen from the table below:
CAN-RUN CAN-ERR
LED status display Meaning
CAN-RUN CAN-ERR CANopen state CANopen error
Only CAN-ERR is on - Bus off
CAN-RUN and CAN-ERR jitter Automatic detection of the baud rate is active.
CAN-RUN is blinking every 0.2 seconds | CAN-ERR is off Pre-Operational -
CAN-RUN is blinking every 0.2 seconds | CAN-ERR 1 x blinking, 1
s off
Warning Limit reached
CAN-RUN is blinking every 0.2 seconds | CAN-ERR 2 x blinking, 1
s off
Node Guard Event
Only CAN-RUN is on Operational -
CAN-RUN on | CAN-ERR 1 x blinking, 1 s off Warning Limit reached
CAN-RUN on | CAN-ERR 2 x blinking, 1 s off Node Guard Event
CAN-RUN on | CAN-ERR 3 x blinking, 1 s off Sync Message Error
CAN-RUN is blinking every 1 second | CAN-ERR is off Stopped -
CAN-RUN is blinking every 1 second | CAN-ERR 1 x blinking, 1 s off Warning Limit reached
CAN-RUN is blinking every 1 second | CAN-ERR 2 x blinking, 1 s off Node Guard Event