User manual

Publication ENET-UM001I-EN-P - January 2010 183
Status Indicators Appendix A
1769-L32E and 1769-L35E
Controllers Status
Indicators
The 1769-L32E and 1769-L35E CompactLogix controllers have several status
indicators.
1769-L3xx CompactLogix Controller Status Indicators
Module Status (MS) Indicator
Network Status (NS) Indicator
Health Status Indicator (LNK)
Status Indicators
Indicator Status Description
MS Off The controller has no power. Check the controller power supply.
Flashing green The controller does not have an IP address and is operating in BOOTP mode.
Verify that the
BOOTP server is running.
Green The controller is operating correctly. No action is required.
Red The controller is holding the port in reset or the controller is faulted. Follow the
correctiv
e action below.
The controller is performing a self test while it is being started. No action is
requ
ired.
An unrecoverable fault has occurred. Follow the corrective action below.
Flashing red A duplicate IP address has been detected. Make sure that the the IP address
assigned to this module is not identical to that of any other devic
e already on
the network.
The controller firmware is being updated. No action is required.
NS
Off The controller does not have an IP address and is operating in BOOTP mode.
Verify that the BOOTP server is running.
Flashing green The controller has an IP address, but no CIP connections are established.
Follow the correctiv
e action below.
Green The controller has an IP address and CIP connections (Class 1 or Class 3) are
established. No action is
required.
Red A duplicate IP address has been detected. Make sure that the IP address
assigned to
this module is not the same as that for any other device already on
the network.
Flashing red/green The controller is performing a self test while it is being started. No action is
req
u
ired.