Hardware/Software
Chapter 6
Troubleshooting
6–4
Message: CA–64–ADAPTER PROCESSOR FAULT
Fault Type: Hard
Cause: Adapter internal diagnostic malfunction.
Action: Check dip switch settings and reset drive, if condition persists
replace adapter board.
RIO Faults Message: CA–70–RESET/PROGRAM/TEST (CHA)
CA–85–RESET/PROGRAM/TEST (CHB)
Fault Type: Soft/Warning
Cause: PLC was switched from run mode to another mode.
Action: Check PLC mode switch and I/O control reset, if condition
persists, replace adapter board.
Message: CA–71–RIO COMM LOSS (CHA)
CA–86–RIO COMM LOSS (CHB)
Fault Type: Soft/Warning
Cause: Loss of communication between adapter and PLC.
Action: Check wiring and connections, verify adapter is being
scanned, if condition persists, replace adapter board.
DH+ only Faults Message: CA–75–DUP NODE ADDR (CHA)
CA–90–DUP NODE ADDR (CHB)
Fault Type: Soft/Warning
Cause: One or more nodes with the same address exist on the DH+
network.
Action: Check that each node has a different address, if condition
persists, replace adapter board.
Message: CA–76–GLOBAL DATA NODE LOSS (CHA)
CA–91–GLOBAL DATA NODE LOSS (CHB)
Fault Type: Soft/Warning
Cause: Global data was being received from node address and has
ceased.
Action: Check configuration parameter for correct global data node
address, verify node address is on the network. If condition
persists, replace adapter board.
Message: CA–77–COMM LOSS, NETWORK DEAD (CHA)
CA–92–COMM LOSS, NETWORK DEAD (CHB)
Fault Type: Soft
Action: Check wiring and connections, replace MCA board if
condition persists.