Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 147)

1 Publication 1760-UM003A-EN-P - September 2005
Chapter
8
Troubleshoot Your Controller
Table 8.199
Module Status LED MS Possible Cause Correction
OFF No power at module. Switch on the power supply.
Green module is in standby mode. None
Green flashing module not configured. Verify the correct setting of
the MAC ID.
Red flashing Invalid configuration Check configuration data.
RED Module error which can not
be resolved. Replace the module.
Table 8.200
Network Status LED NS Possible Cause Correction
OFF module without power or
communication is blocked at
this channel because
of bus-off state or
power loss or
the channel was
blocked explicitly.
Switch on the module,
supply the mains voltage to
the channel and
ensure that the channel is
active.
Green Although the channel is
enabled, communication is
not possible. Check the communication
function at the master
programmable controller.
Green flashing Normal mode None
Red flashing Communication error or the
module may be defective. Reset the module. If further
errors occur, replace the
module.
RED Communication error. Check the master
programmable controller.