6 Troubleshooting
6.1 Step-by-step Troubleshooting
6.1.1 LED Status
The EtherNet/IP interface has 3 bicolored LEDs that allow
fast and detailed diagnosis. Each LED is linked to its unique
part of the EtherNet/IP interface, see Table 6.1.
LED label Description
MS
Module status. Reects the activity on the
EtherNet/IP stack.
NS1
Network status 1. Reects the activity on Ethernet
port 1.
NS2
Network status 2. Reects the activity on Ethernet
port 2.
Table 6.1 LED Label
State LED Description
Standby Green: Flashing green The device needs commissioning.
Device operational Green: Solid green The device is operational.
Major recoverable fault Red: Flashing red The device has detected a recoverable fault (MAR).
Major unrecoverable
fault
Red: Solid red The device has detected an unrecoverable fault
(MAU).
Self-test
Red:
Flashing red/
green
The EIP option is in self-test mode.
Green:
Table 6.2 MS: Module Status
State LED Description
No connections Green: Flashing green There are no established CIP connections to the
device.
Connected Green: Solid green There is at least 1 established CIP connection to
the device.
Connection timeout Red: Flashing red 1 or more CIP connections have timed out.
Duplicate IP Red: Solid red The IP address assigned to the device is already in
use.
Self-test
Red: Flashing red/
green
The EIP option is in self-test mode.
Green:
Table 6.3 NS1+NS2: Network Status (1 per Port)
6.1.2 No Communication with the
Frequency Converter
Check: Link status
If CIP connection is not established, the status of the
Ethernet link cannot be directly identied using the LEDs.
Verify presence of the link via parameter 12-10 Link Status.
Verify that the link is constantly present via
parameter 12-11 Link Duration.
The parameter shows the duration of the present link and
is preset to 00:00:00:00 when the link is broken.
Check: Cabling
In rare cases of cabling misconguration, the option may
show the presence of a link, but no communication is
running. Exchange the cable if in doubt.
Check: IP address
Verify that the option has a valid IP address (refer to
parameter 12-01 IP Address). When the option has identied
a duplicate IP address, NS LEDs are solid red. When the
option is set up for BOOTP or DHCP, verify that a BOOTP or
DHCP server is connected in parameter 12-04 DHCP Server.
If no server is connected, the parameter shows:
000.000.000.000.
Troubleshooting EtherNet/IP
34 Danfoss A/S © 06/2016 All rights reserved. MG07H102
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