Omron NX701-1700 User Manual page 176

5 Troubleshooting
Event name PLC System Processing Error
Meaning A fatal error was detected in the PLC Function Module.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
An error occurred in the software.
Attached None
information
Precautions/ None
Remarks
* For details, refer to I/O Operation for Major Fault Level Controller Errors on page 5-7.
Event name Real-Time Clock Stopped
Meaning The oscillation of the real-time clock stopped. The real-time clock is set to an illegal time.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
_CurrentTime
Cause and Assumed cause
correction
The battery voltage is low.
The battery connector has come
loose.
The Battery is missing.
Attached None
information
Precautions/ This error is checked only when the power is turned ON. You can change the event level to the observation level. If you
Remarks change the level to the observation level, recovery procedures are not required.
5 - 40
Source details
Major fault Recovery
Stops. Operation
Data type
---
Correction
Contact your OMRON representative.
Source details
Minor fault Recovery
Continues. Operation
Data type
DATE_AND_TIME
Correction
Replace the Battery. Then adjust the
real-time clock time.
Reconnect the connector and make
sure it is mated correctly. Then adjust
the real-time clock time.
Install a Battery. Then adjust the real-
time clock time.
Event code 40050000 hex
None Detection
timing
Cycle the power Log category
supply.
Stops.* A connection to the Sysmac Studio is not possible.
Name
---
Prevention
None
Event code 00070000 hex
None Detection
timing
Error reset Log category
The System Time is not defined. The clock information
recorded by CJ-series Units is also not defined.
Name
System Time
Prevention
Regularly replace the Battery.
Check for vibration and shock.
Install a Battery.
NX-series CPU Unit Hardware User's Manual (W535)
Continuously
System
At power ON or
Controller reset
System