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9   Saving/Loading Data
Vision System FH/FHV/FZ5 Series User’s Manual (Z365)
9-7  Backing up Sensor Control-
ler Setting Data [Configuration
9
9-7-4  Troubleshooting
An error message occurred 
because loading of the 
Sensor Controller's project 
failed. 
"File writing failed."
Insufficient free memory in Sen-
sor Controller
Resave to the Sensor Controller after increas-
ing free memory space by deleting Scenes, or 
Processing units, adjusting the measurement 
region of Processing unit, or registered model 
size.
External storage is not plugged 
in.
Plug in the external storage.
Sensor Controller's project files 
is corrupted.
• Power was possibly turned off during last 
save operation.
• Insufficient memory can occur due to 
increased memory requirement for current 
Operation mode. 
A Sensor Controller project 
saved by FH series/FZ5-800/
1100/1200 series is loaded by 
FZ5-L series/FZ5-600 series.
Save destination of Scene group can differ if the 
created environment and loading environment 
are different. 
Set the save destination.
An error message occurred 
because loading of the 
Sensor Controller's project 
failed. 
"File destination does not 
exist."
External storage is not plugged 
in.
Plug in the external storage.
Drive name of external storage 
differs from the Sensor Control-
ler project.
Set the save destination.
Change screen of the save 
destination setting for 
Scene grope is displayed.
A Sensor Controller project 
saved by FH series/FZ5-800/
1100/1200 series is loaded by 
FZ5-L series/FZ5-600 series.
Save destination of Scene grope can differ if the 
created environment and loading environment 
are different. 
Set the save destination.
Model type is different from 
saved Sensor Controller and 
loading one.
Save destination of Scene grope can differ.
Reset the save destination.
Connected storage configuration 
differs.
Phenomenon Cause Action