151
CHAPTER 11 TROUBLESHOOTING
11
11.
1 How t
o
Check
E
rror Codes and Alarm Codes
●
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 first error is stored to the error history.
●
Even after the module power supply is turned off and on, the error history remains.
●
The clock information of occurred error is based on the clock information acquired from the CPU module of the master
station. To obtain the accurate data and time of an error, synchronize the clock information of the CPU module to the real
time.
●
Reading the error history of this module requires the CPU module to be in the STOP status. With the RUN status, the
read would fail.
●
To initialize the error history, go to the "Command Execution of Slave Station" window to set "Method selection" to "Error
history clear request", and then click
button.
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