Rockwell Automation Publication 842E-UM002A-EN-P - November 2013 51
Diagnostics and Troubleshooting Chapter 6
Table 3 - Node FLT Fault Codes
Table 4 - NODE ALARM Fault Codes
Exception code
on display
Exception text Problem Possible solutions
NODE FLT 01 –
LATE CTRL UPDATE
Control Connection
Update Fault
Several consecutive
updates from the controller
have been lost.
• Remove unnecessary network devices
from the motion network
• Change network topology so that
fewer devices share common paths
• Use high performance network
equipment
• Use shielded cables
• Separate signal wiring from power
wiring
NODE FLT 02 –
PROC WATCHDOG
Processor Watchdog
Fault
The processor on the power
board or control board
failed to update in a certain
amount of time.
• Cycle control power
• Update the encoder firmware
• Return encoder for repair if fault
continues
NODE FLT 05 –
CLOCK SKEW FLT
Clock Skew Fault The controller time and the
encoder's system time are
not the same.
• Cycle control power
• Check controller and Ethernet switch
operation
NODE FLT 06 –
LOST CTRL CONN
Lost Controller
Connection Fault
Communication with the
controller has been lost.
Check Ethernet connection
Check controller and Ethernet switch
operation
NODE FLT 09 –
DUPLICATE IP
ADDRESS
Duplicate IP Address
Fault
Another device shares the
same IP address on the
network.
Select an IP address currently unused on
the network.
Exception code
on display
Exception text Problem Possible solutions
NODE ALARM 01 –
LATE CTRL UPDATE
Control Connection
Update Alarm
Updates from the
controller have been late.
• Remove unnecessary network devices
from the motion network
• Change network topology so that
fewer devices share common paths
• Use high performance network
equipment
• Use shielded cables
• Separate signal wiring from power
wiring
To Next Page
Loading...
Need help?
General
