Troubleshooting - Danfoss VLT MCA 121 EtherNet/IP Manual

MCA 121 EtherNet/IP

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
Standby Green:
Device operational Green:
Major recoverable fault
Major unrecoverable fault Red:
Red:
Self test
Green:
Table 7.1: MS: Module Status
State
No connections Green:
Connected Green:
Connection time-out Red:
Duplicate IP Red:
Red:
Self test
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,
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,
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.
LED
Flashing green
Solid green
Flashing red
Solid red
Flashing red/green The EIP option is in self-test mode
LED
Flashing green
Solid green
Flashing red
Solid red
Flashing red/green The EIP option is in self-test mode
®
MG.90.J2.02 - VLT is a registered Danfoss trademark
Description
The device needs commissioning
The device is operational
The device has detected a recoverable fault (MAR)
The device has detected a un-recoverable fault (MAU)
Description
There are no established any CIP connections to the
device
There is established (at least) one CIP connection to the
device
One or more CIP connections has timed-out
The IP-address assigned to the device is already in use
IP Address . If the option has identified a duplicate IP
7 Troubleshooting
7
DHCP
45