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Error Processing Section 11-2
Startup Condition The CJ1-H and CJ1M CPU Units support a Startup Condition setting.
To start the CPU Unit in MONITOR or PROGRAM mode even if there is one
or more Units that has not completed startup processing, set the Startup Con-
dition to 1.
PLC Setup
Fatal Errors
A fatal error has occurred if the indicators have the following conditions in
RUN or MONITOR mode.
Connect a Programming Console to display the error message or use the
error log window on the CX-Programmer. The cause of the error can be deter-
mined from the error message and related Auxiliary Area flags and words.
Errors are listed in order of importance. When two or more errors occur at the
same time, the more serious error’s error code will be recorded in A400.
If the IOM Hold Bit hasn’t been turned ON to protect I/O memory, all non-
retained areas of I/O memory will be cleared when a fatal error other than
FALS(007) occurs. If the IOM Hold Bit is ON, the contents of I/O memory will
be retained but all outputs will be turned OFF.
Programming Con-
sole setting address
Name Settings Default
Word Bit
83 15 Startup Condition 0: Wait for Units.
1: Don’t wait.
0: Wait for Units.
Power Supply
Unit Indicator
CPU Unit Indicators
POWER RUN ERR/ALM INH PRPHL COMM
ON OFF ON --- --- ---
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