Troubleshooting; Led Indicators - Delta CMM-EIP02 Applications Manual

6. Troubleshooting

This section introduces descriptions of LED indicator for option card and fault codes on drive
panel when communication error occurs on option card or drive.

6.1 LED Indicators

Indicator Indicator Status
Red and green light
alternately blink
Green light steady ON
NET1
Green light blinks
(NS)
Red light steady ON
Red and green light
alternately blink
Green light steady ON
NET2
Green light blinks
(MS)
Red light steady ON
POWER
LINK
Option Card Application Manual
Network status self-test
CIP connection established
No CIP connection established
after power-on
Repeated IP
Communication time-out /
Red light blinks
disconnection / IP modification
OFF Network not connected
Drive status self-test
Drive parameter setting finished No action required
Drive parameter is not set
Unrecoverable error occurs on
the drive
Recoverable error occurs on
Red light blinks
the drive
OFF No power supply
Steady ON Power supply is normal
OFF No power supply
Network packet is transmitting /
Steady ON
receiving
OFF Network not connected
Indication
VFD EtherNet/IP Option Card
Fault Treatment
No action required
No action required
No action required
Check if the IP setting is
correct
Check if communication
setting is correct
Check if the connection
cable is correctly connected
No action required
Set according to the user
manual
Hardware failure. Contact
your distributors.
Check if the parameter
setting is correct
Check if power is ON
No action required
Check if power is ON
No action required
Check if the connection
cable is correctly connected
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