12334
Read file failed
Fanuc · R-30iA R-30iB Controller
What does 12334 mean?
A general failure occurred during a file read operation. This IO_STATUS error indicates an underlying issue that prevented data from being successfully read from the file associated with the file_id. The program will abort if the file_id is invalid.
Common Causes
- The file is corrupted, unreadable, or not present on the specified storage device.
- A low-level I/O error occurred on the file system during the read process, indicating hardware or media issues.
- The file_id used does not correspond to a valid opened file.
Repair Steps
- 1
Verify the existence and readability of the data file on the storage device (e.g., FR: drive).
- 2
Confirm the file_id corresponds to a properly opened file and that the device is mounted and accessible.
- 3
Use the KAREL command READ file_id(cr) to clear any existing IO_STATUS error condition.
Verified technical data. Last updated: March 2026
Source: Fanuc R-30iA R-30iB Controller