7 Troubleshooting
7.1.1 Step-by-step Troubleshooting
Check: LEDs
The option contains two LEDs to indicate the state of the device and the network. During normal operation the MS and at least one NS LED will show a
constant green light.
State LED Description
Standby Green: Flashing green The device needs commissioning
Device operational Green: Solid green The device is operational
Major recoverable fault Flashing red The device has detected a recoverable fault (MAR)
Major unrecoverable fault Red: Solid red The device has detected a un-recoverable fault (MAU)
Self test
Red:
Flashing red/green The EIP option is in self-test mode
Green:
Table 7.1: MS: Module Status
State LED Description
No connections Green: Flashing green There are no established any CIP connections to the
device
Connected Green: Solid green There is established (at least) one CIP connection to the
device
Connection time-out Red: Flashing red One or more CIP connections has 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 7.2: NS1 + NS2: Network Status (one per port)
Check: Link Status
The status of the Ethernet link cannot be directly identified by means of the LEDs, if no CIP connection is established.
Use par. 12-10,
Link Status
to verify presents of the link.
Use par. 12-11,
Link Duration
to verify that the link is steady present.
The parameter will show the duration of the present link, and preset to 00:00:00:00 if the link is broken.
Check: Cabling
In rare cases of cabling mis-configuration, the option might show the presents of a link, but no communication is running. Exchange the cable in doubt.
Check: IP Address
Verify that the option has a valid IP address (please refer to section: IP Settings) in par. 12-01,
IP Address
. If the option has identified a duplicate IP
Address NS LEDs will light steady red. If the option is set up for BOOTP or DHCP, verify that a BOOTP or DHCP server is connected in par. 12-04,
DHCP
Server
. If no server is connected, the parameter will show: 000.000.000.000.
7.1.2 Alarm Word and Warning Word
Alarm word and warning word are shown in the display in Hex format. If there is more than one warning or alarm, a sum of all warnings or alarms will
be shown. Warning word and alarm word are displayed in par. 16-90 to 16-95. For more information on the individual alarms and warnings, please refer
to: FC 200/FC 300 Design Guide.
NB!
Please note that the availability of the individual alarms and warnings are dependent on the drive type: /FC 200/FC 300 series.
MCA 121 EtherNet/IP 7 Troubleshooting
MG.90.J2.02 - VLT
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is a registered Danfoss trademark
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