Rockwell Automation 842E CM Integrated Motion Encoder on EtherNet/IP - Manual (Page 51)

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