Chapter 3. Diagnosis of the Option Statuses and LED Definition
11
Chapter 3. Diagnosis of the Option Statuses and LED
Definition
3.1 Definition of the LED Signal
The CANopen communication option has 4 LEDs.
LED
Color
Description
CPU
Green
When the Option Module is energized and the CPU is
in normal operation state, this LED is turned on and off
at 1 second cycle
– on for 500 ms and off for 500 ms.
ERR
Red
This LED turns on if the Option parameters have been
set up inappropriately, or the Internal CAN
communication between the inverter and the CANopen
is lost.
NODE Green
This LED turns on according to the status of the
current NMT (Network Management).
BUS
Green
This LED turns on or off according to the baud rate or
profile set up, or communication status.
3.2 Diagnosis of Option by LED Signal
LED
LED Signal
Option Status
Possible
Cause
Action
CPU
Kept OFF
No Power
Failure in
power supply
(5V) to the
CANopen
communication
Module
Check inverter
power supply.
Check power
supply to the
CANopen
communication
Module
Blink at 1 sec
intervals
On Power
5V power
supplied
Normal status
ERR Kept OFF
No Error
Normal Option Normal status