1769-L32E, 1769-L35E CompactLogix Controller 33
Publication
1769-IN020D-EN-P - October 2008
RS-232 Serial Port Status Indicators (Channel 0)
CompactFlash Card Status Indicator
Module Status (MS) Indicator
Indicator Status Description
DCH0 Off Channel 0 is configured differently than the default
serial configuration.
Solid green Channel 0 has the default serial configuration.
CH0 Off No RS-232 activity.
Flashing green RS-232 activity.
ATTENTION
Do not remove the CompactFlash card while the controller is reading from or
writing to the card, as indicated by a flashing green CF status indicator. This
could corrupt the data on the card or in the controller, as well as corrupt the
latest firmware in the controller.
Indicator Status Description
CF Off No activity.
Flashing green The controller is reading from or writing to the
CompactFlash card.
Flashing red CompactFlash card does not have a valid file system.
Condition Status Description
Off No power The controller does not have power. Check the
controller power supply.
Flashing green Standby The controller does not have an IP address and is
operating in BOOTP mode. Verify that the BOOTP server
is running.
Solid green OK The controller is operating correctly. Normal operation.
No action required.
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