Omron CJ1W-DRM21 Operation Manual page 280

9 Troubleshooting and Maintenance
Event name Master Function Enable/Disable Failed
Meaning An operating error occurred when enabling or disabling the master function.
• Master Function Enable Switch (device variable *_Sw1MstrEnblCmd)
• Master Function Disable Switch (device variable *_Sw1MstrDsblCmd)
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
An attempt was made to enable the
master function when it was already
enabled.
An attempt was made to disable the
master function when it was already
disabled.
CPU Unit is not in PROGRAM mode.
More than one software switch
changed to TRUE at the same time.
Or, another software switch changed
to TRUE before processing was com-
pleted for a previous software switch.
Attached None
information
Precautions/ None
Remarks
9-50
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Disable the master function before
you enable it.
Enable the master function before you
disable it.
Change the CPU Unit to PROGRAM
mode.
Execute the software switch opera-
tions one at a time.
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Event code 7460 0000 hex
CJ-series Unit Detection
timing
Error reset Log category
Not affected.
Name
---
Prevention
Disable the master function before
you enable it.
Enable the master function before you
disable it.
Change the CPU Unit to PROGRAM
before you enable or disable the mas-
ter function.
Execute the software switch opera-
tions one at a time.
At user operation
System