Event name Safety Unit Restore Operation Failed to Start (SD
Memory Card Access Failed)
Event code 35250000 hex
Meaning Access to the SD Memory Card failed when you start the restore operation for a Safety Unit.
Source Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Source details NX Unit Detection tim-
ing
When Safety
Unit restoring
data is speci-
fied by the user
Error attrib-
utes
Level Observation Recovery --- Log category System
Effects User program Continues. Operation ---
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
An SD Memory Card is not in-
serted.
Insert an SD Memory Card. Insert an SD Memory Card.
The SD Memory Card type is not
correct.
Replace the SD Memory Card
with an SD or SDHC card.
Use an SD or SDHC card.
The format of the SD Memory
Card is not correct.
Format the SD Memory Card
with the Sysmac Studio.
Use a formatted SD Memory
Card.
The SD Memory Card is dam-
aged.
If none of these causes apply, re-
place the SD Memory Card.
Do not remove the SD Memory
Card or turn OFF the power sup-
ply while the SD BUSY indicator
is lit. Replace the SD Memory
Card periodically according to
the write life of the SD Memory
Card.
Attached in-
formation
None
Precautions/
Remarks
None
12 Troubleshooting
12 - 59
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-4 Error Descriptions