27 TROUBLESHOOTING
27.5 Event History List
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27
27.5 Event History List
The table below shows the events saved by C24.
Event code Event type Description Cause
00700 System The contents of error code for error
occurred
The causes of error code for error occurred
10200 Security Remote password lock The remote password is locked.
10201 Remote password unlock The remote password is unlocked.
10202 Failure of remote password unlock The remote password was failed to be unlocked.
20700 Operation Transmission sequence initialization The transmission sequence used by the MC protocol was initialized.
20701 Programmable controller CPU
information clear
The programmable controller CPU information clear request was
executed.
20702 Error clear request The error clear request was executed.
20703 Mode switching request The mode switching request was executed.
20704 Modem initialization request The modem initialization request was executed.
20705 Connection request The connection request for the modem was executed.
20706 Modem disconnection request The disconnection request for the modem was executed.
20707 Parameter initialization request The parameter initialization request was executed.
20708 Connection request from MELSOFT
products
By MELSOFT connection, the access via Serial communication
module was performed.
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