Omron NX-SID Series User Manual page 358

9 Troubleshooting
Event code Event name
65230000 hex Discrepancy
Error at Safety
Input
65240000 hex Overload
Detected at Test
Output
65250000 hex Stuck-at-high
Detected at Test
Output
65270000 hex Short Circuit
Detected at
Safety Output
65280000 hex Stuck-at-high
Detected at
Safety Output
 Other Errors
Event code Event name
80220000 hex NX Message
Communications
Error
 User Access Log
Event code Event name
90400000 hex Event Log
Cleared
90430000 hex Memory All
Cleared
9 - 16
Meaning Assumed cause
An error was • There is a ground fault or dis-
detected in dis- connection in the input signal
crepancy evalua- line.
tion of safety
• The connected device is
input terminals.
faulty.
• The setting of the discrepancy
time is not correct.
• Chattering occurred in the
input signal from the external
input device, such as a safety
door.
An overcurrent • There is a ground fault on the
was detected at output signal line.
the test output
• The external device is faulty.
terminal.
It was detected • The positive power supply line
that the test out- is in contact with the output
put terminal is signal line.
stuck ON.
• The internal circuit is faulty.
• A memory error or signal error
occurred due to a transient
cause, such as a software
error or excessive noise.
A ground fault • There is a ground fault on the
was detected on output signal line.
the safety output
terminal.
It was detected • The positive power supply line
that the safety is in contact with the output
output terminal is signal line.
stuck ON.
• The output power supply is
outside the specifications.
• The internal circuit is faulty.
• A memory error or signal error
occurred due to a transient
cause, such as a software
error or excessive noise.
Meaning Assumed cause
An error was • The message communications
detected in mes- load is high.
sage communi-
• The communications cable is
cations for an NX
disconnected or broken.
Unit and the mes-
• Message communications
sage frame was
were cut off as the result of
discarded.
executing a synchronization or
restoration operation on the
Sysmac Studio or as the result
of disconnecting an EtherCAT
slave.
Meaning Assumed cause
The event log The event log was cleared by the
was cleared. user.
The Unit settings The Clear All Memory operation
were cleared. was performed.
Level
Maj Prt Min Obs
√
√
√
√
√
Level
Maj Prt Min Obs
√
Level
Maj Prt Min Obs
NX-series Safety Control Unit User's Manual (Z930)
Reference
Info
P. 9-43
P. 9-44
P. 9-44
P. 9-45
P. 9-45
Reference
Info
P. 9-46
Reference
Info
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P. 9-47
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P. 9-47