13
Publication
1734-IN582B-EN-P - February 2005
Solid Red
Unrecoverable fault has occurred:
self test failure (checksum failure at powerup, ramtest failure at
powerup)
firmware fatal error
Flashing Green
Waiting for connection or ControlNet cable break
Solid Green
Module is operating correctly (normal mode)
ControlNet A/B Status
Viewed Together
Both Steady Off
Reset, no power or entire network interface deactivated
Alternating Red/Green
Self test mode
Alternating Red/Off
Bad/invalid node configuration (such as duplicate MAC ID)
Both Steady Red
Failed link interface
Viewed Individually
Steady Off
Channel disabled or channel not supported
Flashing Red/Green
Invalid link configuration
Flashing Red/Off
Severe Link error - link fault or no MAC frames received
Flashing Green/Off
Temporary channel error or listen-only
Steady Green
Normal operation - MAC frames are being received without
detected errors
PointBus Status
Off
Device not powered - check module status indicator
Alternating Red/Green
LED powerup test
Flashing Red
Recoverable fault has occurred:
•
at power up the number of expected modules does not
equal the number of modules present
•
a module is missing
•
node fault (I/O connection timeout)