Mitsubishi MELSEC-Q Series User Manual page 611

18
TROUBLESHOOTING
When the event type is "System", the 2-word value defined as shown below is stored into
the "Event No." on the <<Event history>> tab of the C Controller setting utility.
Bit 31 16 15
Upper word
Event level
0x4000 : Information
0x8000 : Warning
0xC000 : Error
POINT
When more than one error have occurred, confirm the order of error occurrence
(the time of occurrence) on the <<Event history>> tab screen, and take corrective
actions for the errors in due order, starting from the first one.
Bit 0
Lower word
Event No. specific to each "Source"
Figure 18.17 Storage of event No.
18.4 Error Code and Error Message Lists
18.4.2 Actions by Event No.
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