B-35
B.8.3.4 LED Indicator Explanation & Troubleshooting
There are 3 LED indicators, RUN, FAULT and SP, on CME-COP01 to indicate the
communication status of CME-COP01.
RUN LED
LED Status
State
Indication
OFF
No power
No power on CME-COP01 card
Single Flash
(Green)
STOPPED
CME-COP01 is in STOPPED state
Blinking
(Green)
PRE-OPERATIONAL
CME-COP01 is in the
PRE-OPERATIONAL state
Green ON
OPERATIONAL
CME-COP01 is in the OPERATIONAL
state
Red ON
Configuration fault
Node-ID or Baud rate setting fault
FAULT LED
LED Status
State
Indication
OFF
No fault
CME-COP01 is working condition
Single Flash
(Red)
Warning limit reached
At least one of fault counter of the
CANopen controller has reached or
exceeded the warning level (too many
fault frames)
Double Flash
(Red)
Fault control event
A guard event or heartbeat event has
occurred
Red ON
Bus-off
The CANopen controller is bus-off
SP LED
LED Status
State
Indication
OFF
No Power
No power on CME-COP01 card
LED Blinking
(Red)
CRC check fault
Check your communication setting in
VFD-E drives (19200,<8,N,2>,RTU)
Red ON
Connection failure/No
connection
1. Check the connection between
VFD-E drive and CME-COP01 card
is correct
2. Re-wire the VFD-E connection and
ensure that the wire specification is
correct
LED Blinking
(Green)
CME-COP01 returns fault code
Check the PLC program, ensure the
index and sub-index is correct
Green ON
Normal
Communication is normal
LED Descriptions
State
Description
LED ON
Constantly on
LED OFF
Constantly off
LED blinking
Flash, on for 0.2s and off for 0.2s
LED single flash On for 0.2s and off for 1s