6 Troubleshooting
6 - 42
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
*1 For details, refer to I/O Operation for Major Fault Level Controller Errors on page 6-8.
Event name PLC System Processing Error Event code 40050000 hex
Meaning A fatal error was detected in the PLC Function Module.
Source PLC Function Module Source details None Detection
timing
Continuously
Error attributes Level Major fault Recovery Cycle the power
supply.
Log category System
Effects User program Stops. Operation
Stops.
*1
A connection to the Sysmac Studio is not possi-
ble.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An error occurred in the software. Contact your OMRON representative. None
Attached
information
None
Precautions/
Remarks
None
Event name Real-Time Clock Stopped Event code 00070000 hex
Meaning The oscillation of the real-time clock stopped. The real-time clock is set to an illegal time.
Source PLC Function Module Source details None Detection
timing
At power ON or
Controller reset
Error attributes Level Minor fault Recovery Error reset Log category System
Effects User program Continues. Operation The System Time is not defined. The clock information
recorded by CJ-series Units is also not defined.
System-defined
variables
Variable Data type Name
_CurrentTime DATE_AND_TIME System Time
Cause and
correction
Assumed cause Correction Prevention
The battery voltage is low. Replace the Battery. Then adjust the
real-time clock time.
Regularly replace the Battery.
The battery connector has come
loose.
Reconnect the connector and make
sure it is mated correctly. Then adjust
the real-time clock time.
Check for vibration and shock.
The Battery is missing. Install a Battery. Then adjust the real-
time clock time.
Install a Battery.
Attached
information
None
Precautions/
Remarks
This error is checked only when the power is turned ON. You can change the event level to the observation level. If you
change the level to the observation level, recovery procedures are not required.
To Next Page
Loading...
Need help?
General
