Event Codes For Errors And Troubleshooting Procedures - Omron NX-SID Series User Manual

9 Troubleshooting
9-3-3

Event Codes for Errors and Troubleshooting Procedures

This section lists the errors (events) that can originate in the Safety CPU Unit and Safety I/O Units.
Event levels are given in the tables as follows:
Maj: Major fault level
Prt: Partial fault level
Min: Minor fault level
Obs: Observation
Info: Information
Refer to the NJ/NX-series Troubleshooting Manual (Cat. No. W503) for all of the event codes that may
occur for an NJ/NX-series Controller.
Safety CPU Unit
The errors (events) that can occur in the Safety CPU Unit are listed in the following tables.
 System Errors
Event code Event name
05200000 hex System Error
 Communications Errors
Event code Event name
35200000 hex Safety Process
Data Communi-
cations Not
Established Error
80200000 hex NX Unit I/O Com-
munications Error
9 - 10
Meaning Assumed cause
A hardware error • Hardware has failed.
was detected
• A memory error occurred due
during self-diag-
to a transient cause, such as a
nosis of the hard-
software error or excessive
ware.
noise.
Meaning Assumed cause
Safety process • The communications settings
data communica- for safety process data are not
tions was not correct, the safety slave is not
established with in the correct status, etc.
one or more
• The safety slave for safety
safety slaves.
process data communications
is not connected.
• The safety slave set in the NX
Unit Mounting Setting for
safety process data communi-
cations is disabled.
An I/O communi- • The NX Unit is not mounted
cations error properly.
occurred
• The power cable for the Unit
between the
power supply is disconnected.
Communications
Or, the wiring from the Unit
Coupler Unit and
power supply to the NX Units
the NX Unit.
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.
Level
Maj Prt Min Obs
√
Level
Maj Prt Min Obs
√
√
NX-series Safety Control Unit User's Manual (Z930)
Reference
Info
P. 9-18
Reference
Info
P. 9-19
P. 9-20