Rockwell Automation 1336T ControlNet Frn1.02 Rev 1.5 - Manual (Page 200)

7–12 Troubleshooting
Publication 1336 FORCE–5.18 ––March, 1999
Fault text and
code:
Suggested action: Description:
Fault
type:
CNET Comm
Loss
36019 Soft,
warning,
or none
The ControlNet Adapter Board
has detected a loss of primary
channel communications with
the controller.
Check for a break in the
communications cable. Verify that all
connections are intact. Clear the fault
by issuing a Clear Fault or a Drive
Reset command, or by recycling
power.
Check parameters 425 (ICN Flt Sel)
and 426 (ICN Warn Sel) to determine
the drive response to faults. These
parameters determine the resolution of
the condition, either fault, warning, or
none. Both parameters are bit coded.
PLC
Res/Pgm/Test
35000 Soft/
Warning/
None
The ControlNet Adapter Board
has detected the controller being
switched from the run mode to
another mode.
Check the PLC mode switch and the
I/O control reset. Clear the fault by
issuing a Clear Fault or a Drive Reset
command, or by recycling the power.
Check parameters 425 (ICN Flt Sel)
and 426 (ICN Warn Sel) to determine
the drive response to faults. These
parameters determine the resolution of
the condition, either fault, warning, or
none. Both parameters are bit coded.
Class 1 Close
36020 Soft/
Warning/
None
Scanner Device (PLC) closed
the connection to the drive.
This could be due to timeout
condition or due to action
initiated by the scanner due to
programming or possible error
recovery.
Check connections & cable. Check the
state of the Scanner Device (PLC).
Check programming within the PLC.
Class 3 Close
36021 Soft/
Warning/
None
Device closed a messaging
connection to the drive. This
could be due to a timeout
condition or due to action
initiated by the device due to
programming or possible error
recovery. Check connections & cable. Check
state of the Scanner Device (PLC).
Check programming within the PLC.
Class 1 Timeout
36022
Soft/
Warning/
None Drive Timed out on scheduled
control data reception from the
Scanner Device (PLC).
Check connections & cables. Check
that PLC is operational. Check for
general errors occurring on the
network. Check that the network was
not being re–configured.