Omron CJ2 - Checking Error Status at the Ethernet;Ip Port Seven-Segment Display

6 Troubleshooting
6-24
CJ2 CPU Unit Hardware User’s Manual
z Normal Operation
z Errors Related to CPU Unit Data Exchange
z Errors Related to the CPU Unit
z Errors Related to the Control Bits
6-2-2 Checking Error Status at the EtherNet/IP Port Seven-segment
Display
The seven-segment display alternately displays the built-in EtherNet/IP port node address and the
following error codes.
Indications
Error
MS NS 7-segment
Lit green Lit or flashing
green
Built-in Ether-
Net/IP port node
address
Normal
Indications
Error
MS NS 7-segment
Flashing red Not lit H1 Duplicate unit number
Flashing red Not lit H2 CPU Unit faulty
Lit red Not lit H3 Built-in EtherNet/IP port faulty
Flashing red Not lit H4 Node address setting error
Flashing red Not lit H6 CPU Unit faulty
Flashing red Not lit H7 I/O table not registered
Flashing red --- H8 Simple backup function restore error
Flashing red --- H9 I/O bus error
Flashing red --- HA CPU Unit memory error
Flashing red Not lit Hb CPU Unit event servicing timeout
Flashing red --- HC Routing table error
Flashing red --- Hd I/O refresh error
Flashing red --- HE CPU Unit service monitoring error
Flashing red --- HF CPU Unit watchdog timer error
Indications
Error
MS NS 7-segment
Flashing red --- HH CPU Unit Fatal Error
--- --- --- Output OFF Error
Indications
Error
MS NS 7-segment
--- --- C6 Multiple Switches ON
Built-in EtherNet/IP port
seven-segment display