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Overview of Troubleshooting Section 13-1
Fatal Error Detected
The G9SP-series Controller has detected an error that prevents operation,
and so the program is not executed and operation is stopped. Take the follow-
ing measures.
Non-fatal Error Detected
The G9SP-series Controller has detected an error for which operation can
continue. Refer to 13-2 Error Details and Measures to remove the error.
13-1-3 Identifying Errors
Next, read the details of the error using the G9SP Configurator or Option
Board communications.
Reading Error Details with the G9SP Configurator
Check the present errors or error log using the procedures given in 10-1-1
Device Monitor.
Reading Error Details with Option Board Communications
Check the present errors or error log using the procedures given in SECTION
7 Communications with a Standard PLC Using an Option Board.
Stopped in CONFIG-
URATION Mode
Configuration data has not been downloaded to the G9SP-
series Controller. Refer to SECTION 8 Connecting Online and
Downloading to the G9SP-series Controller, and download the
configuration data.
Memory Cassette
operation in progress
(backup/restore)
The G9SP-series Controller will start by performing a Memory
Cassette operation if it is started under any of the following
conditions. Refer to SECTION 11 Backup and Restore Data
Using Memory Cassette, and take suitable measures.
• The G9SP-series Controller is in default status (i.e., waiting
for configuration) and a Memory Cassette is inserted.
• Or, the data stored on the inserted Memory Cassette is dif-
ferent from the configuration data in the G9SP-series Con-
troller.
• Or, DIP switch pin 4 is ON.
Status Action
Status Action
Critical status: Sys-
tem error detected
A fatal error has occurred (e.g., hardware failure or assert
error). If this occurs again after the power supply is cycled,
hardware failure is probable. Replace the G9SP-series Con-
troller.
Abort status: Minor
error detected
A minor error (e.g., unsupported Unit mounted) from which
recovery is possible has occurred. Check the following, con-
firm proper system configuration, and then cycle the power
supply.
1. Is an unsupported Expansion I/O Unit mounted?
2. Are three or more Expansion I/O Units mounted?
3. Is an unsupported Option Board mounted? (In particular,
only unit version 2.0 or later of the CP1W-CIF41 Ethernet
Option Board is supported.)
Error detected in
Memory Cassette
operation (backup/
restore)
An error has been detected in a backup or restore operation
using the Memory Cassette. Refer to 13-2-1 Fatal Errors to
remove the error.
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