Mitsubishi Electric NZ2GF2B1-16D User Manual page 239

● The error history registers 15 errors at a maximum. If 16 or more errors occur, errors are deleted from the oldest.
● If the same error occurs continuously, only the error that occurred first is stored to the error history.
● Even after the power of the module is turned off and on, the error history remains.
● To initialize the error history, set "Method selection" to "Error history clear request" on the "Command Execution of Slave
Station" window and click the
(2) Checking by Error code (RWr1)
Check the latest error code with the remote register of the master/local module.
[Online]  [Monitor]  [Device/Buffer Memory Batch]
When the refresh target device for Error code (RWr1) is W101
Ex.
(3) Checking by Warning code (RWr2)
Check the latest warning code with the remote register of the master/local module.
[Online]  [Monitor]  [Device/Buffer Memory Batch]
When the refresh target device for Warning code (RWr2) is W102
Ex.
button.
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