Omron NX-SL3500

12-3-3
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 T
roubleshooting 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.
l
System Error
Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
05200000 hex System Er-
ror
A hardware error was
detected during self-
diagnosis of the hard-
ware.
• Hardware has failed.
• A memory error occurred due
to a transient cause, such as a
software error or excessive
noise.
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page
12 - 32
l
Communications Errors
Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
35200000 hex
[NX-SL3£££]
Safety Proc-
ess Data
Communica-
tions Not Es-
tablished Er-
ror
Safety process data
communications was
not established with
one or more safety
slaves.
• The communications settings
for safety process data are not
correct, the safety slave is not
in the correct status, etc.
• The safety slave for safety
process data communications
is not connected.
• The NX Unit Mounting Setting
for the safety slave for safety
process data communications
is set to Disabled.
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page
12 - 33
12 Troubleshooting
12 - 17
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-3 Event Codes for Errors and Troubleshooting Procedures