Rockwell Automation 1747-KFC15 SLC500 CONTROLNET RS-232 USER MANUAL - Manual (Page 35)

Troubleshooting the KFC15 Module 5-3
1747-5.34 - June 1998
Interpreting the Dot Matrix Displays
Under normal conditions, the dot matrix display should be displaying the
ControlNet network address as well as the ControlNet network status.
During operation, the dot matrix display is used to indicate hardware fault
conditions. When the STATUS LED is solid or flashing red, the display
shows a number indicating the type of hardware fault. The following table
gives a description of the faults.
Channel A or
B (viewed
separately) OFF Channel disabled or
unused Program network for redundant
media if required.
SOLID GREEN Channel good—data is
being received and
transmitted on this
channel None
FLASHING
GREEN - OFF Temporary errors or
device is not on-line None. Unit will correct itself.
FLASHING RED -
GREEN Bad network
configuration Check network setup then cycle
power to the KFC15 module.
FLASHING RED -
OFF Media fault or no other
nodes present on the
network Check media for broken cables,
loose connector, missing
terminators, etc.
STATUS OFF No power is applied to
the KFC15 module None
SOLID GREEN Normal operation—the
module is OK None
FLASHING
GREEN The KFC15 is not
properly configured Check and change parameter
settings.
SOLID RED Critical fault—the
KFC15 has detected an
unrecoverable fault and
must be replaced Contact your authorized Allen-
Bradley representative or
distributor.
FLASHING RED Non-critical fault—the
KFC15 has detected a
recoverable fault Reconfigure or reset the KFC15.
LED State Probable Cause Recommended Action