Omron NX701-17 Series Troubleshooting Manual page 242

3 Error Tables
Event code Event name
80200000 hex NX Unit I/O
Communica-
tions Error
80240000 hex NX Unit
Clock Not
Synchronized
Error
3-164
Meaning Assumed cause
An I/O communica- For the NX bus of CPU Units
tions error occurred
• An error that prevents normal
in an NX Unit.
NX bus communications
occurred in a CPU Unit.
• An NX Unit is not mounted
properly.
• The power cable for the Unit
power supply is disconnected,
or the wiring from the Unit
power supply to the NX Units is
incorrect.
• The power cable for the Unit
power supply is broken.
• The voltage of the Unit power
supply is outside the specified
range, or the capacity of the
Unit power supply is insuffi-
cient.
• There is a hardware error in an
NX Unit.
For Communications Coupler
Units
• An error that prevents normal
NX bus communications
occurred in a Communications
Coupler Unit.
• The NX Unit is not mounted
properly.
• The power cable for the Unit
power supply is disconnected.
Or, the wiring from the Unit
power supply to the NX Units is
incorrect.
• The power cable for the Unit
power supply is broken.
• The voltage of the Unit power
supply is outside the specified
range. Or, the capacity of the
Unit power supply is insuffi-
cient.
• There is a hardware error in the
NX Unit.
A time information For the NX bus of CPU Units
error occurred in an
• There is a hardware error in an
NX Unit.
NX Unit.
• There is a hardware error in a
CPU Unit.
For Communications Coupler
Units
• There is a hardware error in an
NX Unit.
• There is a hardware error in an
EtherCAT Coupler Unit.
Level
Maj Prt Min Obs Info
S
S
NJ/NX-series Troubleshooting Manual (W503)
Reference
W566 (W522)
W566 (W522)